Use VerifierDeps test file for dex2oat swap tests.

Hoping that storing more data in the swap for the bigger
dex file shall outweigh the noise in heap usage.

Test: m test-art-host-gtest-dex2oat_test
Bug: 29259363
Change-Id: I42d170cb4717c886fab58dbba5a3bcb23ac5fbcb
diff --git a/dex2oat/dex2oat_test.cc b/dex2oat/dex2oat_test.cc
index c2275ac..90b4955 100644
--- a/dex2oat/dex2oat_test.cc
+++ b/dex2oat/dex2oat_test.cc
@@ -231,7 +231,7 @@
   }
 
   virtual std::string GetTestDexFileName() {
-    return GetDexSrc1();
+    return Dex2oatEnvironmentTest::GetTestDexFileName("VerifierDeps");
   }
 
   virtual void CheckResult(bool expect_use) {