[PairDevicePage] Add content description so that the loading icon will be announced.

Test: manual test
Bug: 318785556
Change-Id: I2f2c584c7e54a3603925a9def55e9bb976b2f36c

parent e1bff833

res/layout/preference_progress_category.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@
		<ProgressBar
		android:id="@+id/scanning_progress"
		style="?android:attr/progressBarStyleSmallTitle"
		android:focusable="true"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_gravity="center_vertical"