Switch ahat test to use core-optimizing-pic.art.

To match the recent change to the 'art' script.

Change-Id: I996e562bf967881b30ed3065caf6ce6bf8adc18f
diff --git a/tools/ahat/Android.mk b/tools/ahat/Android.mk
index 71366c1..6869b04 100644
--- a/tools/ahat/Android.mk
+++ b/tools/ahat/Android.mk
@@ -74,7 +74,7 @@
 AHAT_TEST_DUMP_DEPENDENCIES := \
 	$(ART_HOST_EXECUTABLES) \
 	$(HOST_OUT_EXECUTABLES)/art \
-	$(HOST_CORE_IMG_OUT_BASE)$(CORE_IMG_SUFFIX)
+	$(HOST_CORE_IMG_OUT_BASE)-optimizing-pic$(CORE_IMG_SUFFIX)
 
 $(AHAT_TEST_DUMP_HPROF): PRIVATE_AHAT_TEST_ART := $(HOST_OUT_EXECUTABLES)/art
 $(AHAT_TEST_DUMP_HPROF): PRIVATE_AHAT_TEST_DUMP_JAR := $(AHAT_TEST_DUMP_JAR)