[automerger skipped] Merge "Merge "Improve the performance when loading image...

[automerger skipped] Merge "Merge "Improve the performance when loading image wallpaper colors" into pi-dev am: 98684aa8" into pi-dev-plus-aosp
am: ac89f2e5 -s ours
am skip reason: change_id I8589b28a17b0a2b33b4bbbda2265080af983f26a with SHA1 0e490d9e is in history

Change-Id: I456dc392f8b0dbb1092bb8e4913cf9aa127969e8