[automerger skipped] Add tests for VsyncSchedule am: 4d5db7ab45 -s ours

am skip reason: Merged-In I79e14d67fea896752f0afaba00adc6d47efc3c71 with SHA-1 58af6edfa2 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21542449

Change-Id: Ibdadd3bd72f9b326cdbf0cb77736b401afc5b126
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>