[automerger skipped] [DO NOT MERGE] Close screenshot process on user switched am: 9908e1a145 -s ours am: e46f0812c6 -s ours am: a53e25c4c4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13420541

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I96d2a64a430b2422699b83595942a468e568a5d5