code: @Nullable
    public boolean loadLibraries() {
      synchronized (mLock) {
        if (mLoadLibraries == false) {
          return mLibrariesLoaded;
        }
        try {
          if (mLibraryNames != null) {
            for (String name : mLibraryNames) {
              SoLoader.loadLibrary(name);
            }
          }
          initialNativeCheck();
          mLibrariesLoaded = true;
          mLibraryNames = null;
        } catch (UnsatisfiedLinkError error) {
          Log.e(TAG, "Failed to load native lib (initial check): ", error);
          mLinkError = error;
          mLibrariesLoaded = false;
        } catch (Throwable other) {
          Log.e(TAG, "Failed to load native lib (other error): ", other);
          mLinkError = new UnsatisfiedLinkError("Failed loading libraries");
          mLinkError.initCause(other);
          mLibrariesLoaded = false;
        }
        mLoadLibraries = false;
        return mLibrariesLoaded;
      }
    }
docs: safe loading of native libs
  @return true if native libs loaded properly, false otherwise