fix:update internalUsageAttributionId to use the suggested value.

Author: zhunhan

examples/index.html

@@ -54,7 +54,7 @@
       // See https://developers.google.com/maps/documentation/javascript/reference/map#MapOptions.internalUsageAttributionIds
 
       const useInternalUsageAttributionId = true;
-      const internalUsageAttributionIds = ["GMP_LIB_JS_API_LOADER"];
+      const internalUsageAttributionIds = ["gmp_googlemaps_jsapiloaderlibrary_v1_example"];
 
       if (useInternalUsageAttributionId) {
         mapOptions.internalUsageAttributionIds = internalUsageAttributionIds;