Enable parallel builds by default (#52972)

gradle.properties

@@ -1,5 +1,5 @@
 org.gradle.warning.mode=none
-org.gradle.daemon=true
+org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx3g -XX:+HeapDumpOnOutOfMemoryError -Xss2m
 options.forkOptions.memoryMaximumSize=2g