Merge "Enforce hard limits on hosts per package and widgets per host." into sc-dev am: 3cf4626021 am: e065815ce5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/29024856

Change-Id: Iaeb06a7cca1c7dee6cf33dcb6ec73d08c9756417
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>