Merge "Set clipboard allow_virtualdevice_silos flag to on by default" into udc-dev am: 59efad38

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22212853



Change-Id: I3909a203e6633d6a44f200c1dc1d68c5063383ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>