Enable sync-c by default

Only fetch the default branch in repo sync
Reduces sync times

Change-Id: I20bcb47c6cd8b18bfb55710f2ce4a60c4c211f7b
default: Update to android-4.4.3-r1.1

Change-Id: I30327096436b91297107f55aa6b753f0c7ab84e7
Merge pull request #1 from omnirom/android-4.4

同步自 omnirom android-4.4