Correct stale background on completely empty gallery

Bug: 7314560
When the last album is delete by long pressing and pressing
the delete icon, and the gallery is left completely empty,
the slotview was not being correctly invalidated.

Change-Id: I2d5ec7ac7fb9604fd74ca8fa4fa6df09d6dec49d
1 file changed
tree: 4fb28ffa8ad9f68f3c63818e3926efc745a120bc
  1. gallerycommon/
  2. src/
  3. src_pd/
  4. tests/