Tony Wu fc71125104 Fix isUsbMassStorageConnected() will always return true
After UMS mounted, isUsbMassStorageConnected() will always return true even if USB is disconnected.
It's because mUmsEnabling will always be ture.

Change-Id: Ib24b2359ea2684eb0a9faeb880f383e87630e6e1
2010-08-10 10:09:13 +08:00
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