Remove varargs from RunTest(t *testing.T)

Use GroupFixturePreparers instead.

Bug: 182885307
Test: m nothing
Change-Id: Iaedb0ddc9d6a704f4d41363e705f3025a1291dc8
diff --git a/java/java_test.go b/java/java_test.go
index d1d26ba..3aafdda 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -845,7 +845,12 @@
 			if expectedErrorPattern != "" {
 				errorHandler = android.FixtureExpectsAtLeastOneErrorMatchingPattern(expectedErrorPattern)
 			}
-			prepareForJavaTest.ExtendWithErrorHandler(errorHandler).RunTest(t, createPreparer(info))
+			android.GroupFixturePreparers(
+				prepareForJavaTest,
+				createPreparer(info),
+			).
+				ExtendWithErrorHandler(errorHandler).
+				RunTest(t)
 		})
 	}