activity_about: Adjust for edge-to-edge support

Signed-off-by: Aayush Gupta <[email protected]>

Author: theimpulson

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

@@ -9,7 +9,9 @@
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/appbar"
         android:layout_width="match_parent"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$Behavior"
         android:layout_height="wrap_content"
+        android:fitsSystemWindows="true"
         android:theme="@style/ThemeOverlay.MaterialComponents.Dark.ActionBar">
 
         <androidx.appcompat.widget.Toolbar
@@ -27,6 +29,7 @@
         android:layout_height="match_parent"
         android:layout_marginTop="?attr/actionBarSize"
         android:orientation="vertical"
+        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior"
         android:gravity="center_horizontal">
 
         <ImageView