[Android] Switch to Gradle 7.1.0

android/android_studio_project/app/build.gradle

@@ -4,7 +4,6 @@ plugins {
 
 android {
     compileSdkVersion 30
-    buildToolsVersion '30.0.2'
     ndkVersion '23.0.7599858'
 
     defaultConfig {

android/android_studio_project/build.gradle

@@ -5,7 +5,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.3'
+        classpath 'com.android.tools.build:gradle:7.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files