Use ASAN when on Clang (#1187)

This currently only affects MacOS builds, as that's the only platform where clang is used.

shared/googletest.gradle

@@ -10,4 +10,13 @@ model {
             staticConfigs = project.staticGtestConfigs
         }
     }
+    binaries {
+        withType(GoogleTestTestSuiteBinarySpec) {
+            if (toolChain instanceof Clang) {
+                println "Clang Detected - Using ASAN"
+                cppCompiler.args << '-fsanitize=address'
+                linker.args << '-fsanitize=address'
+            }
+        }
+    }
 }