Merge "Re-add checks for mutable intents on bubbles" into sc-dev am:...

Merge "Re-add checks for mutable intents on bubbles" into sc-dev am: f8218030 am: c0a3fa5f am: fe43118c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14792011

Change-Id: I29a61a86af7d380da5e9a10473c74a9847e9e9fc