Merge "Changed the cached threshold that decides when to defer bcasts." into udc-dev am: dea20a43

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23705814



Change-Id: If3798a9ec0621e13c0c1c7695ae8bed5e1cd9f8b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>