Make DcTracker RetryFailures.ONLY_ON_CHANGE work.

We should only be retrying things if there was a substantial change.

Don't call trySetupData from Dct.setupDataOnConnectableApns when
in ONLY_ON_CHANGE mode unless there was a change for the FAILED
APN.

bug:24179336
Change-Id: Ia65dbd9789978548b70fb990ccfd5c55dcc51163
1 file changed
tree: f826367f08b0fa771a31da095d020a8efdd19f99
  1. src/
  2. tests/
  3. tools/
  4. Android.mk
  5. CleanSpec.mk
  6. README.txt