Tweak UI automator runner output format

For uncaught exceptions, output exception message as shortMsg

Change-Id: Ied019d3170a5afc9ebeab8251f66f69d9a9c2282
merge in KQS81M
utils to properly suspend and wakeup

* usage of utils is documented in README

Change-Id: If857b08b123e4b2e82a06ccc35213f22ab52e0cd
merge in klp-release (no-op)
Fix argument parsing in uiautomator shell script.

When only jar files were provided as arguments to runtest command
the script would display a help message rather than running the test.

BUG: 11634975
Change-Id: I3ce9060ffbdcc9a7e39bbd04de491eb9f0cbfc9f
Merge tag 'android-4.4.1_r1' into kitkat-staging

Android 4.4.1 Release 1