Initial VST3 Support (disabled)

Disabled until Steinberg licensing compliance  can be sorted out.

src/asan_options.cpp

@@ -25,6 +25,7 @@ extern "C" {
             "detect_leaks=0"  // undesirable behavior on abnormal termination.
             ":alloc_dealloc_mismatch=0"  // Guitarix components trigger this. It's not actually a problem on GCC.
             ":new_delete_type_mismatch=0"  //GxTuner
+            ":detect_odr_violation=0"
              ":print_stacktrace=1"
              ":halt_on_error=1"
             ;