vendorsetup: Use cm-10.2 lunch targets

Change-Id: I6137840ae94904aa86f38f75055e6e35e5397bfb
Add a default root access mode.

Instead of relying on the Settings app code to assume a default,
actually set one

Change-Id: I2054bc0a793a79f7d26bc1bee23e097585a3b8c4
Merge "Add a default root access mode." into cm-10.2
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2