Fix content focusiblity issues when using remote/controllers (closes #3766)

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

@@ -28,7 +28,6 @@
             android:layout_marginStart="16dp"
             android:layout_marginEnd="16dp"
             android:clipToPadding="false"
-            android:descendantFocusability="blocksDescendants"
             android:paddingBottom="@dimen/fab_list_padding"
             tools:listitem="@layout/chapters_item" />
 

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

@@ -15,7 +15,6 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:clipToPadding="false"
-            android:descendantFocusability="blocksDescendants"
             android:paddingBottom="@dimen/action_toolbar_list_padding"
             tools:listitem="@layout/updates_item" />