Update gradle.properties.

- b/63329112 got fixes so reenabling configureondemand
- useDexArchive was disabled back when we used AGP 2.4.0-alpha
  this is no longer needed.

Bug: 64974262
Test: ./gradlew buildOnServer
Change-Id: I3ad32afc47a8e0d1aadeaa1925d55d3ee560b35e
diff --git a/gradle.properties b/gradle.properties
index 71f1c7a..abb4a67 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,5 @@
 org.gradle.jvmargs=-Xmx4g
 org.gradle.daemon=true
-# Disabled due to b/63329112
-# org.gradle.configureondemand=true
+org.gradle.configureondemand=true
 org.gradle.parallel=true
-android.useDexArchive=false
 android.builder.sdkDownload=false