Added debug messages and watchdog

Added debug messages and watchdog to catch
unresponsive data service issue.

Bug: 139076980
Test: Manual
Merged-In: I52dd126fddc1b1e8b18d5388a92aabaa3e2e48d5
Change-Id: I52dd126fddc1b1e8b18d5388a92aabaa3e2e48d5
(cherry picked from commit 36e2bfbaad3e1edcbb3ad0bf2be1e94643c38b07)
1 file changed