In order to move the library into the runtime APEX.
Test: m and boot
Bug: 119840313
Bug: 122710865
Change-Id: I4aac5954d2fb5f9e3ba92e486d69f1e76614df92
error_msg is set when dlclose/NativeBridgeUnloadLibrary fails.
Bug: https://issuetracker.google.com/79126103
Test: make
Change-Id: I043580209538ff47320e8d9a304a21c00c4b149f