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

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

Change-Id: Ie954dd97e1557d9a65047d39581b0e65912e5606
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>