default: Use omnirom's Dialer repository

Change-Id: Id4493af35a21b4de87c600b8d6ddb97e21d2e066
default: Update to android-4.4_r1.1

Change-Id: Idac2c3ebbe38d55aa5035d0fb6d300567871790a
Merge branch 'android-4.4' of https://github.com/omnirom/android into qcom-4.4_2.7