changed gradle version to 4.2.2

Author: ehsan6sha

android/build.gradle

@@ -7,7 +7,7 @@ buildscript {
         }
 
         dependencies {
-            classpath 'com.android.tools.build:gradle:7.3.0'
+            classpath 'com.android.tools.build:gradle:4.2.2'
         }
     }
 }