Pass annotation processors to kotlinc

Enable the kotlin-annotation-processing plugin and pass annotation
processors to it.

Bug: 122251693
Test: m checkbuild
Test: TestKapt in kotlin_test.go
Change-Id: I841df454beaaa7edd263eea714ca0d958a03c9de
diff --git a/java/java_test.go b/java/java_test.go
index e16ae35..9f805bb 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -121,6 +121,7 @@
 		"core.current.stubs",
 		"core.platform.api.stubs",
 		"kotlin-stdlib",
+		"kotlin-annotations",
 	}
 
 	for _, extra := range extraModules {