am 90b7a7a1: Fix b/5510870 by persisting states of save/share buttons.

* commit '90b7a7a1fed287cab3500acdfaf4e82ec0a59dec':
  Fix b/5510870 by persisting states of save/share buttons.
tree: 0384fb61e8b5a5ae241c951c66580bf1ad32db85
  1. gallerycommon/
  2. src/
  3. src_pd/
  4. tests/