Merge "Match language picker section header side padding" into pi-dev

          android:layout_width="match_parent"

          android:layout_height="36dp"

          android:gravity="center_vertical"

          android:paddingStart="18dp"

          android:paddingEnd="18dp"

          android:paddingStart="?android:attr/listPreferredItemPaddingStart"

          android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"

          android:textColor="?android:attr/colorAccent"

          android:textStyle="bold"

          tools:text="@string/language_picker_section_all"/>