Merge "Update libmonet with upstream contrast fixes" into udc-dev am: 195b900a am: 93c869be

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21679520



Change-Id: I2e89e224c8f392fed4d32ab40268b9ad69f81ad3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>