Merge "Add a open isPageEnabled() to BrowseActivity" into udc-dev am: 1190c08a84

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22948136

Change-Id: I5b3497c28dbb31ad39f690598ffdb1701a2a3399
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>