Merge "Add a open isPageEnabled() to BrowseActivity" into udc-dev am: 1190c08a84 am: 00dff8df74 am: 8f17d7bb8a

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

Change-Id: I717fccae6db3408e0bf59f36875436cc095f8864
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>