Set color of hamburger icon

Signed-off-by: Joris Bodin <joris.bodin@infomaniak.com>

src/main/java/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -293,6 +293,7 @@ public abstract class DrawerActivity extends ToolbarActivity
         mDrawerToggle.setDrawerSlideAnimationEnabled(true);
         Drawable backArrow = getResources().getDrawable(R.drawable.ic_arrow_back);
         mDrawerToggle.setHomeAsUpIndicator(ThemeUtils.tintDrawable(backArrow, ThemeUtils.fontAppbarColor(this)));
+        mDrawerToggle.getDrawerArrowDrawable().setColor(ThemeUtils.fontAppbarColor(this));
     }
 
     /**

src/main/res/layout/drawer.xml

@@ -28,7 +28,7 @@
         android:layout_gravity="start"
         android:layout_weight="1"
         android:fitsSystemWindows="true"
-        android:background="@color/bg_default"
+        android:background="@color/appbar"
         android:theme="@style/NavigationView_ItemTextAppearance"
         app:headerLayout="@layout/drawer_header"
         app:menu="@menu/partial_drawer_entries">