Merge "Remove process association if it is known to be dead" into tm-dev am:...

Merge "Remove process association if it is known to be dead" into tm-dev am: 512485ad am: ee88746b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16977865

Change-Id: I89c6921a193b905bd3a6906f01c3b617c7d3d0b7