Add two new JNI debugging options.

The alwaysCheckThread option provides some backwards compatibility for apps
that misuse JNIEnv*s across threads. The logThirdPartyJni is a step towards
making it easier for third-party developers to debug their JNI errors.

Change-Id: I134374da0fe94f3fbc6b6d5aef52e3eef658aff9
2 files changed