Upgrade gradle for flutter tool to 7.3.0 (#114023)

packages/flutter_tools/gradle/flutter.gradle

@@ -43,7 +43,7 @@ class FlutterExtension {
      * Chosen as default version of the AGP version below as found in
      * https://developer.android.com/studio/projects/install-ndk#default-ndk-per-agp
      */
-    static String ndkVersion = "21.4.7075529"
+    static String ndkVersion = "23.1.7779620"
 
     /**
      * Specifies the relative directory to the Flutter project directory.
@@ -62,7 +62,7 @@ buildscript {
     }
     dependencies {
         /* When bumping, also update ndkVersion above. */
-        classpath 'com.android.tools.build:gradle:7.2.0'
+        classpath 'com.android.tools.build:gradle:7.3.0'
     }
 }