Filter UserPicker touches when partially obscured

Bug: 373668921
Test: build
Flag: NONE bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:4d0522dd521f85451d8ffc1b6aa012502c8a6fb7)
Merged-In: I96035d6b36e4f66d4530c4864bed8f44fa45161b
Change-Id: I96035d6b36e4f66d4530c4864bed8f44fa45161b
3 files changed