Restart loader on attachment cursor updates

cherry-pick of https://googleplex-android-review.googlesource.com/#/c/245483/
Bug: 7403076
Change-Id: I620403db9f7304e99ca4e9c0c58a439e277225d0
1 file changed
tree: 820b9ec97672f1bc9b4fa5665da770e8796a9fd1
  1. carousel/
  2. chips/
  3. common/
  4. photoviewer/
  5. variablespeed/
  6. widget/
  7. CleanSpec.mk