Revert "Changed local refs in JNI to ScopedLocalRef"

This reverts commit 335025f23958ceb36b67d2380de1382cfb5d346c.

Reason for revert: b/132437551

Bug: 132437551

Change-Id: Ie7d615b2e721d2db7c9a8b772212d6efcc12d991
1 file changed