[automerger skipped] Add LogBuffer that passively tracks touch handling in the...

[automerger skipped] Add LogBuffer that passively tracks touch handling in the shade am: bb3185b8 -s ours am: 450f18a1 -s ours am: 16241f78 -s ours

am skip reason: Merged-In Ic3b94ae80b7cff462d3ae0af62d8466885fb684c with SHA-1 9b9086cb is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24469817



Change-Id: Ib77480bc3b4e890753b899d1bb5b648fe9109455
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>