Fix vulnerability where large GPS XTRA data can be injected. -Can potentially crash system with OOM. Bug: 29555864 am: dde12c6923 am: 3462e52676 am: 5a6b11114a am: 655361b2b1
am: 62783bde30

Change-Id: I466311d2aa3983e690778fb1084f93eab7e8ae7d