RMX1971: overlay: Compact cached app heaps in the background

* Background ART heap compaction for cached apps has been recommended for Android Go devices for a while, and Google has enabled it for the Pixel 5 on RQ1A.201205.010. This feature should help fit more cached apps in memory

Signed-off-by: Dakkshesh <dakkshesh5@gmail.com>
Signed-off-by: kaderbava <ksbava7325@gmail.com>