[automerger skipped] Pull scroll request/capture code out of ScreenshotController am: f0a301fcca -s ours

am skip reason: Merged-In I561ec589a9debfd13d95089b2b333f40c139d8b1 with SHA-1 f9343dc4a8 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/26873112

Change-Id: Ic67b8a2e06ef4fe51659cb9f6e5a71fcafef613b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>