Merge "Trim any long string inputs that come in to AutomaticZenRule" into qt-dev am: 380ec03dee

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19816794

Change-Id: I86c52b898436188c231a44b342c0ccd1672e07dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>