More native code cleanup.

Use ScopedUtfChars (fixes a leak in TrafficStats, and fixes a crash in Wifi in
a case where GetStringChars could have been called with a pending exception).

Change-Id: I3465ff392b4038dfdafa6af80ec1314cc6d6a11c
1 file changed
tree: d0328016b45f4281a4835578f5de379abe1942bd
  1. core/
  2. services/