Merge "Add a open isPageEnabled() to BrowseActivity" into udc-dev am: 1190c08a84 am: 00dff8df74 am: abc79e634e am: db42d0e3fb

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

Change-Id: I6f3b4a1413f34cd9ba46d84e7215f73b854cbe86
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>