Add private drawer toggle in toolbar

Author: kunall17

app/src/main/java/com/zulip/android/activities/ZulipActivity.java

@@ -2346,6 +2346,9 @@ public void onClick(
                     builder.show();
                 }
                 break;
+            case R.id.private_msg:
+                drawerLayout.openDrawer(GravityCompat.END);
+                break;
             case R.id.daynight:
                 switch (AppCompatDelegate.getDefaultNightMode()) {
                     case -1:

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

@@ -9,6 +9,12 @@
         app:actionViewClass="android.support.v7.widget.SearchView"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/private_msg"
+        android:icon="@drawable/ic_action_person"
+        android:title="@string/toolbar_item_private"
+        app:showAsAction="always" />
+
     <item
         android:id="@+id/refresh"
         android:title="@string/refresh" />

app/src/main/res/values/strings.xml

@@ -31,6 +31,7 @@
     <string name="editing_message">Editing message</string>
     <string name="sending_message">Sending</string>
     <string name="search">Search</string>
+    <string name="toolbar_item_private">Private messages</string>
     <string name="reply_to_private_message">Reply to private message</string>
     <string name="narrow_to_this_conversation">Narrow to this conversation</string>
     <string name="copy_message">Copy message</string>