D8 enabling and gradle cache debug.

gradle.properties

@@ -16,3 +16,4 @@ org.gradle.jvmargs=-Xmx1536m
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 org.gradle.caching=true
+android.enableD8=true

settings.gradle

@@ -10,8 +10,7 @@ buildCache {
         url = 'http://amine-bou.fr:8885/cache/'
         push = isCiServer
 
-        println "user " + System.getProperty("cacheUser")
-        println "pass " + System.getProperty("cachePassword")
+        println "push ? " + isCiServer
         credentials {
             username = System.getProperty("cacheUser")
             password = System.getProperty("cachePassword")