Roomservice: Search gerrit instead of github

* Search for devices using gerrit api instead of github
* Minor cleanups & fixes

Change-Id: I54fc898f3c773f79936568818996ae5fab11e491
Revert "[2/2] build: Remove Voice Dialer"

This reverts commit f955dd66e1e7914c5281656f39b7798c7695744a.

PS2:
-added libsrec_jni

Change-Id: Ifc3c38c0c4a4c408c3c08d03638d579adcaf5d28
Revert "Yay, a roomservice that makes sense. Stick it, CM!"

This reverts commit ba0170d25ce64ef50ab1c283403138f1615ce142.
Merge remote-tracking branch 'omni/android-4.4' into omni-4.4