tree 3c6d90b365c1891351e25c53d4e09e5ecaf43f8f
parent 7d72975c5b3e6f18710f078199e7a9e3f9376c60
author 振淦王 <wangzglx@gmail.com> 1448959051 +0800
committer 振淦 王 <wangzglx@gmail.com> 1449582027 +0800

ConcurrentModificationException in SyncManager

updateRunningAccounts and dispatchSyncOperation is running in different thread,
and mActiveSyncContexts not synchronization.
If methods occur together,
mActiveSyncContexts change may occur when cycle is running.

Sample:
https://code.google.com/p/android/issues/detail?id=195341

Solution:
Offboard the traversal from the main thread to the handler thread.

Change-Id: Ifb9fbb466a5087186be31f7877c50b8c8b6737e4
Signed-off-by: wangzhengan <wangzglx@gmail.com>