Incorporate additional feedback to native JNI checks

Bug: 124338141
Test: m art_libartbase_tests_memory_type_table_test && \
      out/host/linux-x86/nativetest/art_libartbase_tests/memory_type_table_test
Test: m && flashall && boot

(cherry picked from change fbbda47e032d5cf0db33d2ce671bd37def1058fd)

Change-Id: Ia47fd267a93ef2634a35fe0c7bfaa464b71d8fef
Merged-In: I26f0a06cf36c2591f4dc30fc6dc3ed443bd8e4a4