Split dex_file_loader_test

Into DexFileLoader and ArtDexFileLoader portions.  This is the last test
refactoring before moving libdexfile out of the runtime directory.

Bug: 22322814
Test: make -j 50 test-art-host
Change-Id: I7568a7b444fb110f64614f2066df6eb5ab3a5c69
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index 894b33b..3ab0b1f 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -131,6 +131,7 @@
 	 $(HOST_OUT_EXECUTABLES)/smali assemble --output $@ $(filter %.smali,$^)
 
 # Dex file dependencies for each gtest.
+ART_GTEST_art_dex_file_loader_test_DEX_DEPS := GetMethodSignature Main Nested MultiDex
 ART_GTEST_dex2oat_environment_tests_DEX_DEPS := Main MainStripped MultiDex MultiDexModifiedSecondary MyClassNatives Nested VerifierDeps VerifierDepsMulti
 
 ART_GTEST_atomic_dex_ref_map_test_DEX_DEPS := Interfaces
@@ -139,7 +140,6 @@
 ART_GTEST_class_table_test_DEX_DEPS := XandY
 ART_GTEST_compiler_driver_test_DEX_DEPS := AbstractMethod StaticLeafMethods ProfileTestMultiDex
 ART_GTEST_dex_cache_test_DEX_DEPS := Main Packages MethodTypes
-ART_GTEST_dex_file_test_DEX_DEPS := GetMethodSignature Main Nested MultiDex
 ART_GTEST_dexlayout_test_DEX_DEPS := ManyMethods
 ART_GTEST_dex2oat_test_DEX_DEPS := $(ART_GTEST_dex2oat_environment_tests_DEX_DEPS) ManyMethods Statics VerifierDeps MainUncompressed EmptyUncompressed
 ART_GTEST_dex2oat_image_test_DEX_DEPS := $(ART_GTEST_dex2oat_environment_tests_DEX_DEPS) Statics VerifierDeps