Make background media saving a service

bug:8091328
Change-Id: If35c1832238e921b6582d8642fdbaa4378ea0c48
3 files changed
tree: 6d9468488dc064893d88ebea3415ec43489fe134
  1. gallerycommon/
  2. jni_mosaic/
  3. src/
  4. src_pd/
  5. tests/