Config the VM to use more RAM in order to be able to run the tests.

Change-Id: Ifc9234d7c92ffbdc103d51c00be2a865d1a23cf0
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..f66ad4d
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx4096m -XX:MaxPermSize=1024m
\ No newline at end of file