jni_macros: Clean-up clang-tidy warnings

The tidy warnings were incorrect in every single case, all
language usage was 100% deliberate.

Bug: 74210241
Change-Id: Ia771b87236d94b22447eec05d71d0d7597b3e2fc
Test: make JniSafeRegisterNativeMethods_test && \
      out/host/linux-x86/nativetest64/JniSafeRegisterNativeMethods_test/JniSafeRegisterNativeMethods_test