tree 4e17fcbacbf8d11bf868bb247798c103abf15c35
parent 001df9ca900f3098222a4920a0048d2eb947bd4e
author Wei Liu <luciferleo@google.com> 1435214870 -0700
committer Wei Liu <luciferleo@google.com> 1435291978 -0700

Implement a exponential backoff for NTP time and XTRA data retry.

b/21904128

Change-Id: I9fc8917eed3065ff0a4946c5a3bdecb9e93da19d