Aligh back button of fullscreen activity with other activities

app/src/main/res/layout/activity_fullscreen_image.xml

@@ -17,7 +17,6 @@
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="?attr/actionBarSize"
-        android:layout_marginTop="32dp"
         android:background="@android:color/transparent"/>
 </FrameLayout>
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