Use different extension for smali test files.

The test infra just searches for and opens all .jar files.
The different extension effectively hides the test files from it.

Bug: 147817558
Bug: 160391839
Test: m test-art-host-gtest
Change-Id: Ida3c102008b772841076df4e374532f7845b8c61
diff --git a/build/apex/art_apex_test.py b/build/apex/art_apex_test.py
index 7764c7c..1a337cb 100755
--- a/build/apex/art_apex_test.py
+++ b/build/apex/art_apex_test.py
@@ -770,7 +770,7 @@
     self._checker.check_art_test_data('art-gtest-jars-Main.jar')
     self._checker.check_art_test_data('art-gtest-jars-ProtoCompare.jar')
     self._checker.check_art_test_data('art-gtest-jars-Transaction.jar')
-    self._checker.check_art_test_data('art-gtest-jars-VerifierDepsMulti.jar')
+    self._checker.check_art_test_data('art-gtest-jars-VerifierDepsMulti.dex')
     self._checker.check_art_test_data('art-gtest-jars-Nested.jar')
     self._checker.check_art_test_data('art-gtest-jars-MyClass.jar')
     self._checker.check_art_test_data('art-gtest-jars-ManyMethods.jar')
@@ -784,10 +784,10 @@
     self._checker.check_art_test_data('art-gtest-jars-DexToDexDecompiler.jar')
     self._checker.check_art_test_data('art-gtest-jars-HiddenApiSignatures.jar')
     self._checker.check_art_test_data('art-gtest-jars-ForClassLoaderB.jar')
-    self._checker.check_art_test_data('art-gtest-jars-LinkageTest.jar')
+    self._checker.check_art_test_data('art-gtest-jars-LinkageTest.dex')
     self._checker.check_art_test_data('art-gtest-jars-MethodTypes.jar')
     self._checker.check_art_test_data('art-gtest-jars-ErroneousInit.jar')
-    self._checker.check_art_test_data('art-gtest-jars-VerifierDeps.jar')
+    self._checker.check_art_test_data('art-gtest-jars-VerifierDeps.dex')
     self._checker.check_art_test_data('art-gtest-jars-StringLiterals.jar')
     self._checker.check_art_test_data('art-gtest-jars-XandY.jar')
     self._checker.check_art_test_data('art-gtest-jars-ExceptionHandle.jar')
@@ -804,7 +804,7 @@
     self._checker.check_art_test_data('art-gtest-jars-MultiDexUncompressedAligned.jar')
     self._checker.check_art_test_data('art-gtest-jars-StaticsFromCode.jar')
     self._checker.check_art_test_data('art-gtest-jars-ProfileTestMultiDex.jar')
-    self._checker.check_art_test_data('art-gtest-jars-VerifySoftFailDuringClinit.jar')
+    self._checker.check_art_test_data('art-gtest-jars-VerifySoftFailDuringClinit.dex')
     self._checker.check_art_test_data('art-gtest-jars-MainStripped.jar')
     self._checker.check_art_test_data('art-gtest-jars-ForClassLoaderA.jar')
     self._checker.check_art_test_data('art-gtest-jars-StaticLeafMethods.jar')