Migrate tests to stutter; bring compat down to 4.4.1

plugin/.stutter/java11.lock

@@ -0,0 +1,7 @@
+# DO NOT MODIFY: Generated by Stutter plugin.
+5.0
+5.1.1
+5.2.1
+5.3.1
+5.4.1
+5.5-rc-1

plugin/.stutter/java8.lock

@@ -1,4 +1,5 @@
 # DO NOT MODIFY: Generated by Stutter plugin.
+4.4.1
 4.5.1
 4.6
 4.7
@@ -10,3 +11,4 @@
 5.2.1
 5.3.1
 5.4.1
+5.5-rc-1