Build - dopush: improvements

- use $OUT instead of replacing device name with a new line
and then "tail"ing it.
- adb shell stop/start if file is SystemUI.apk or framework/*
- and some cleanup.

Change-Id: I73345102cb0aa5693f02a29d6cfb5eaace346be3
Signed-off-by: STELIX <ssspinni@gmail.com>