Revert "Prevent MediaScanner infinite loop with invalid path"

This reverts commit 912efb47689b71c90ee53ddf49508f986efe934b.

(cherry picked from commit 1f7e3265b410d102f883b255928b8f06d2826316)
Hover: Sync with crDroid

(cherry picked from commit 0c839fa43c0deb2270ae24df98220da620c7dd68)
FB: Slimrecents background color && transparency [2/2]
PS: now setting sticks through reboots and TRDS state
        changes. also, add reset to default color option.

PS: when resetting to default, use TRDS (png) resources
        instead of custom color

PS: remove LSN dependency

PS: make default background setting cognizant of
        recent panel gravity setting to display
        correct background resource

Change-Id: I159a757cc8bf39692dd3ff43f5e2e5ea41de4b55
(cherry picked from commit d468b4ecd8346c717a6f7f20d0398256f29a8c80)