Let SpaBridgeActivity support HIGHLIGHT_MENU_KEY

Also the SpaAppBridgeActivity.

Could be tested by,
adb shell am start -n com.android.settings/.ManageFullScreenIntent

adb shell am start \
  -a android.settings.MANAGE_APP_USE_FULL_SCREEN_INTENT \
  -d package:com.android.settings

adb shell am start -n com.android.settings/.UsageStatsActivity

Bug: 309075424
Test: manual - on tablet
Test: unit test
Change-Id: I778443e9d21d165904e415c66c03aafc7ac81372