Java test code clean-up

Remove unused parameters and make testJava return the config.

Test: Ran all java tests.
Change-Id: Iaa123f3fd93188e2f55452b887e1d340429cc710
diff --git a/java/sdk_test.go b/java/sdk_test.go
index f82a4fb..6be17eb 100644
--- a/java/sdk_test.go
+++ b/java/sdk_test.go
@@ -282,7 +282,7 @@
 				if testcase.pdk {
 					config.TestProductVariables.Pdk = proptools.BoolPtr(true)
 				}
-				ctx := testContext(config, bp, nil)
+				ctx := testContext(bp, nil)
 				run(t, ctx, config)
 
 				checkClasspath(t, ctx)
@@ -309,7 +309,7 @@
 				if testcase.pdk {
 					config.TestProductVariables.Pdk = proptools.BoolPtr(true)
 				}
-				ctx := testContext(config, bp, nil)
+				ctx := testContext(bp, nil)
 				run(t, ctx, config)
 
 				javac := ctx.ModuleForTests("foo", variant).Rule("javac")
@@ -335,7 +335,7 @@
 				if testcase.pdk {
 					config.TestProductVariables.Pdk = proptools.BoolPtr(true)
 				}
-				ctx := testContext(config, bp, nil)
+				ctx := testContext(bp, nil)
 				run(t, ctx, config)
 
 				checkClasspath(t, ctx)