Fix button label missing in the SIM card pop ups

Use Button instead of TextView, so Button role is applied.

Fix: 261994361
Test: Manually with Talkback on
Change-Id: I8a342e15af6193000bd3b1aa34b1acf671f47739

res/layout/sim_confirm_dialog_item_multiple_enabled_profiles_supported.xml

@@ -14,12 +14,12 @@
      limitations under the License.
 -->
 
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<Button xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/title"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:minHeight="?attr/listPreferredItemHeightSmall"
-    style="?attr/materialAlertDialogBodyTextStyle"
+    style="@style/SettingsLibActionButton"
     android:gravity="center"
     android:paddingTop="?attr/listPreferredItemPaddingStart"
     android:paddingBottom="?attr/listPreferredItemPaddingEnd"