backuptool: Add support for cross-version whitelists

Change-Id: I415eb4d64d693a7e150656802be7f7c4a0e5ab8b
Prevent stock OTA activities from running in CM

Change-Id: I3f586cd246fc351afb82c94f41329bf930f6f41a
Mackay ROM - new series JB4.3

Change-Id: Ic8aafc3b46bbdb256e3a2a6d14b4fb3218056222

Conflicts:

	prebuilt/common/bin/backuptool.sh
Remove VideoEditor and example files

Change-Id: Ief2c54d32b86088b66252d44ebc4e3e377635135
Persist DPI
This will persist the dpi during installation

Change-Id: Ie0455ed297f600890ec31d329c70f00ec3b07ce9

Conflicts:

	prebuilt/common/bin/backuptool.sh