BpfUtils jni: jobject clazz -> jclass clazz am: b0f8d31e7d am: 3f1fd9610a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2772904

Change-Id: I89958b862779406d884b3603f6f09acf6f864d69
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>