tree 836c6a39b3d1be70fb70371d2c6417e754e499b7
parent e2a36f2919a01aef749618423470dc1dffeca02f
author Marc Blank <mblank@google.com> 1304465571 -0700
committer Marc Blank <mblank@google.com> 1304608627 -0700

Implement "automatic" sync lookback for Exchange

* Target roughly 150-450 messages on device; these numbers are
  starting points, subject to testing, etc.
* UI (name "automatic", etc.) is tentative

Change-Id: Idd36f447190066469e6254e15a7b4cf10a0fc3e8