Merge "Fixing a leak in WallpaperColorInfo" into sc-dev am: 419c1092e3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14020290

Change-Id: Id8a5f3c0373e2a0d8ee9bab9f9e617766cfe59a2