Replace packages/apps/VoiceDialer path to new repository android_packages_apps_VoiceDialer

Change-Id: I449e696e9ab84c7be8495335dfd72f2a43e89876
Replace external/okhttp path to new repository android_external_okhttp

Change-Id: I7de913d0d4be586ba41bda8dbda074e1bd98b085
Merge remote-tracking branch 'omni/android-4.4' into omni-4.4