Configure jvm memory settings

By default, Gradle uses '-Xmx512m
-XX:MaxMetaspaceSize=512m'. According to Gradle's monitoring tools,
it's not enough.

The original error:
  The Daemon will expire after the build after running out of JVM Metaspace.

Author: bobrofon

app/gradle.properties

@@ -2,4 +2,5 @@ android.defaults.buildfeatures.buildconfig=true
 android.enableJetifier=true
 android.nonFinalResIds=false
 android.nonTransitiveRClass=false
-android.useAndroidX=true
+android.useAndroidX=true
+org.gradle.jvmargs=-Xmx768m -XX:MaxMetaspaceSize=512m