Update the Gradle wrapper version to 6.9.2 (#1820)

build.gradle

@@ -274,7 +274,7 @@ if (skipPrebuildLibraries != "true" && buildNativeProjects != "true") {
 //}
 
 wrapper {
-    gradleVersion = '6.9.1'
+    gradleVersion = '6.9.2'
 }