Update build.gradle

Author: Bhuvaneshw

task/build.gradle

@@ -21,10 +21,10 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_7
-        targetCompatibility JavaVersion.VERSION_1_7
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 }
 
 dependencies {
-}
+}