Change --fastdeploy behaviour

--fastdeploy does not require -r anymore, and reverts to a normal install
if the application is not already on the device.

Bug: 120828611

Test: mm -j72
Test: adb install --fastdeploy --force-agent --local-agent /mnt/raid/boat-attack-apk/boat-attack-swappy.apk
Change-Id: Ice2a71493a34ee7d0debabcce6a9aebb0af79e62