am 19e53f7a: Delete global ref to the weak reference to the SynthProxy in the native_finalize function, that was created in native_setup to prevent leaking refs.

Merge commit '19e53f7ae506ccb294f46a36c70d7f3154b258ad'

* commit '19e53f7ae506ccb294f46a36c70d7f3154b258ad':
  Delete global ref to the weak reference to the SynthProxy in the