Screenrecord: add low quality option

Add a low quality option that still gives a good recording
reducing a lot the final file size (useful when sharing the screenrecord
on data connections).

old commits ref:
https://github.com/ezio84/abc_frameworks_base/commit/6092d9ca8b0949d64c1b87d6cd53d66daf002e14
https://github.com/ezio84/abc_frameworks_base/commit/b50c7caf8b46c731093b11f5647028a23346f937
https://github.com/ezio84/abc_frameworks_base/commit/91c00e8fb70cb17b8658678bf476452f96cd44d1

Change-Id: If413241c3fa533650690cf3b7df5c05fb2f8c8ed