Merge "Skip legacy BackgroundDexOptService unit tests when ART Service is in...

Merge "Skip legacy BackgroundDexOptService unit tests when ART Service is in use." into udc-dev am: b234b657 am: 81812edb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22163313



Change-Id: I2ee44fd7a9bf6850d61a3f32fd4bf19d3e02db89
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>