CMFM: CYAN-533 - Increase timeout in File Manager

Fixed timeout problems with list, copy, move and delete commands.
Check new data for list commands; use indefinitely wait for copy, move and delete commands.
Tested with 5000 and 30000 files.

Change-Id: I33cd6c9b7422966cdc4bc0c9cb265f74533ef161
JIRA: https://jira.cyanogenmod.org/browse/CYAN-533


Bugfix: CYAN-533
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>