am 4fab5a1f: Merge "Enable background compaction by default"
am 4fab5a1f: Merge "Enable background compaction by default"

* commit '4fab5a1f9b34f558d1f4002de73e233d8a0d47b7':
  Enable background compaction by default

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst