Merge "Give headless system apps a higher min balance." into udc-dev am: a1cb804a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22229729



Change-Id: I19399a9a11dae42718631d1663205409d5c588e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>