Make Art's dexlist the real one!

Renaming dexlist2 into dexlist now that Dalvik's dexlist
is gone. Unless dexdump, this migration is straightforward
since the windows SDK does not ship dexlist.

Bug: 22322814
Change-Id: I721a72abdd9a17329b53020274495323467e388e
diff --git a/Android.mk b/Android.mk
index 49b61bb..b68383f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -240,7 +240,7 @@
 
 # Dexdump/list regression test.
 .PHONY: test-art-host-dexdump
-test-art-host-dexdump: $(addprefix $(HOST_OUT_EXECUTABLES)/, dexdump2 dexlist2)
+test-art-host-dexdump: $(addprefix $(HOST_OUT_EXECUTABLES)/, dexdump2 dexlist)
 	ANDROID_HOST_OUT=$(realpath $(HOST_OUT)) art/test/dexdump/run-all-tests
 
 # Valgrind. Currently only 32b gtests.