omni: change default to name images with local date

and not UTC - old behaviur can still be achieved with
setting ROM_BUILDTIME_UTC

Change-Id: I1c2239e88733afe7140d09d80d060195dff92462
1 file changed
tree: e43d2d9b8030858b87ae010021cb9e326c0f33d2
  1. config/
  2. overlay/
  3. prebuilt/
  4. sepolicy/
  5. utils/
  6. Android.mk