Adjust kernel data stack TCP parameters to optimize performance

Enhance Android MobileDataStateTracker class to identify technology
EVDO rev B separate from earlier releases.  This permits use of
separate TCP buffer size for higher bandwidth technology.

Change-Id: Ib8dfa315c4485c36c66b2c66950c42ccb81fe9e5
CRs-Fixed: 260740
Fix FindBugs issues

IntProperty: Infinite recursive loop
SQLiteSession: Null pointer dereference
UsbStoreActivity: Null pointer derefence
LocationManagerService: No relationship between generic parameter and method argument
ActivityManagerService: Call to equals() comparing different types
ChooseAccountTypeActivity: Possible null pointer dereference
RuimRecords: Possible null pointer derefence

Change-Id: I9d631c50c30eb98e32cca5a5085513b6904db676