Handling concurrent location & SV status update

Move handling of location and SV status updates to
existing handler thread.
Change SV status JNI output for thread safety.
Synchronize updates to LocationExtras (many entry
points)
Adding some DeleteLocalRef cleanups

Bug: 72481417
Fixes: 72949246
Fixes: 73090867

Test: GPS works on device, and adb shell dumpsys location
shows extras

Change-Id: I3eda8884597ad1cdf5aec6d1b7c33ab49401410f