Merge "Change folderFillColor to colorBackgroundFloating." into sc-dev am: dfde41cf1e am: 2abc3933ed am: c0ea362c85

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14754919

Change-Id: I2974b99391a33b81e6640194558000149f84834b