Fix oatdump_test.

The ExportDex variants stopped working now that core-oj.jar is
uncumpressed and the vdex file doesn't contain the dex code.

Use an app dex file instead.

Change-Id: Ib7c09a7180a62007a67de5062575ad07dcce4944
Test: oatdump_test
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index 3dab025..67d85c1 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -216,6 +216,7 @@
 ART_GTEST_verifier_deps_test_DEX_DEPS := VerifierDeps VerifierDepsMulti MultiDex
 ART_GTEST_dex_to_dex_decompiler_test_DEX_DEPS := VerifierDeps DexToDexDecompiler
 ART_GTEST_oatdump_app_test_DEX_DEPS := ProfileTestMultiDex
+ART_GTEST_oatdump_test_DEX_DEPS := ProfileTestMultiDex
 
 # The elf writer test has dependencies on core.oat.
 ART_GTEST_elf_writer_test_HOST_DEPS := $(HOST_CORE_IMAGE_DEFAULT_64) $(HOST_CORE_IMAGE_DEFAULT_32)