Merge "Allow start of explicit intents" into rvc-dev am: 7a7590dc9b am: 0c67708c60 am: 8a3f17b51d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12130189

Change-Id: I81e1670fa491ee05cd33c1fbd1c407ca9a7096fc