Inclusive fix: change the word dummy to fake in zip_test.go

Bug: b/161896447
Test: "lunch 1" and "m nothing"
Change-Id: I1fbc6a1a95101836bff3acb3f5315854f7812fd5

third_party/zip/zip_test.go

@@ -219,7 +219,7 @@ func TestRLEBuffer(t *testing.T) {
 	}
 }
 
-// fakeHash32 is a dummy Hash32 that always returns 0.
+// fakeHash32 is a fake Hash32 that always returns 0.
 type fakeHash32 struct {
 	hash.Hash32
 }