Bump react-native-android versions (#3514)

Summary:
Pull Request resolved: https://github.com/facebook/flipper/pull/3514

^
Updates a few versions of different things used in react-native-android and the provided sample as to have more parity with the ones used in vanilla Android.

Changelog: React-native Android. Bump tools versions.

Reviewed By: passy

Differential Revision: D34751493

fbshipit-source-id: f2f85eb3e680e120f9526d5a64b3e894882149de

react-native/ReactNativeFlipperExample/android/build.gradle

@@ -6,14 +6,13 @@
  */
 
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
     ext {
-        buildToolsVersion = "30.0.2"
+        buildToolsVersion = "30.0.3"
         minSdkVersion = 21
-        compileSdkVersion = 30
-        targetSdkVersion = 30
-        ndkVersion = "21.4.7075529"
+        compileSdkVersion = 31
+        targetSdkVersion = 31
+        ndkVersion = '23.0.7599858'
     }
     repositories {
         google()