Added icons to notification dropdown menu

app/src/main/res/drawable/ic_comment_black_48px.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#000000"
+        android:pathData="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1 .9 2 2 2h14l4
+4-.01-18zM18 14H6v-2h12v2zm0-3H6V9h12v2zm0-3H6V6h12v2z" />
+    <path
+        android:pathData="M0 0h24v24H0z" />
+</vector>

app/src/main/res/drawable/ic_dashboard_black_48px.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M3 13h8V3H3v10zm0 8h8v-6H3v6zm10 0h8V11h-8v10zm0-18v6h8V3h-8z" />
+</vector>

app/src/main/res/drawable/ic_person_add_black_48px.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M15 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4
+4zm-9-2V7H4v3H1v2h3v3h2v-3h3v-2H6zm9 4c-2.67 0-8 1.34-8
+4v2h16v-2c0-2.66-5.33-4-8-4z" />
+</vector>

app/src/main/res/drawable/ic_person_pin_black_48px.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#000000"
+        android:pathData="M19 2H5c-1.11 0-2 .9-2 2v14c0 1.1 .89 2 2 2h4l3 3 3-3h4c1.1 0 2-.9
+2-2V4c0-1.1-.9-2-2-2zm-7 3.3c1.49 0 2.7 1.21 2.7 2.7 0 1.49-1.21 2.7-2.7
+2.7-1.49 0-2.7-1.21-2.7-2.7 0-1.49 1.21-2.7 2.7-2.7zM18 16H6v-.9c0-2 4-3.1
+6-3.1s6 1.1 6 3.1v.9z" />
+    <path
+        android:pathData="M0 0h24v24H0z" />
+</vector>

app/src/main/res/drawable/ic_question_answer_black_48px.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M21 6h-2v9H6v2c0 .55 .45 1 1 1h11l4 4V7c0-.55-.45-1-1-1zm-4
+6V3c0-.55-.45-1-1-1H3c-.55 0-1 .45-1 1v14l4-4h10c.55 0 1-.45 1-1z" />
+</vector>

app/src/main/res/drawable/ic_repeat_black_48px.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M7 7h10v3l4-4-4-4v3H5v6h2V7zm10 10H7v-3l-4 4 4 4v-3h12v-6h-2v4z" />
+</vector>

app/src/main/res/drawable/ic_thumb_up_black_48px.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:pathData="M0 0h24v24H0z" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M1 21h4V9H1v12zm22-11c0-1.1-.9-2-2-2h-6.31l.95-4.57 .03
+-.32c0-.41-.17-.79-.44-1.06L14.17 1 7.59 7.59C7.22 7.95 7 8.45 7 9v10c0 1.1 .9 2
+2 2h9c.83 0 1.54-.5 1.84-1.22l3.02-7.05c.09-.23 .14 -.47 .14
+-.73v-1.91l-.01-.01L23 10z" />
+</vector>

app/src/main/res/menu/main__menu_top__notifications_dropdown.xml

@@ -13,29 +13,36 @@
         <menu>
             <item
                 android:id="@+id/action_notifications_all"
+                android:icon="@drawable/ic_dashboard_black_48px"
                 android:title="@string/notifications__all" />
 
             <item
                 android:id="@+id/action_notifications_also_commented"
+                android:icon="@drawable/ic_question_answer_black_48px"
                 android:title="@string/notifications__also_commented" />
 
             <item
                 android:id="@+id/action_notifications_comment_on_post"
+                android:icon="@drawable/ic_comment_black_48px"
                 android:title="@string/notifications__comment_on_post" />
 
             <item
                 android:id="@+id/action_notifications_liked"
+                android:icon="@drawable/ic_thumb_up_black_48px"
                 android:title="@string/notifications__liked" />
 
             <item
                 android:id="@+id/action_notifications_mentioned"
+                android:icon="@drawable/ic_person_pin_black_48px"
                 android:title="@string/notifications__mentioned" />
 
             <item
                 android:id="@+id/action_notifications_reshared"
+                android:icon="@drawable/ic_repeat_black_48px"
                 android:title="@string/notifications__reshared" />
             <item
                 android:id="@+id/action_notifications_started_sharing"
+                android:icon="@drawable/ic_person_add_black_48px"
                 android:title="@string/notifications__started_sharing" />
         </menu>
     </item>