Use ASAN prebuilts if SANITIZE_HOST includes address

Test: SANITIZE_HOST=address m -j showcommands
Change-Id: Ifdca98d5fa32867005ace99e1eb5188e22923ac6
diff --git a/core/ninja.mk b/core/ninja.mk
index 3779df3..50bb56d 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -1,4 +1,8 @@
+ifeq ($(filter address,$(SANITIZE_HOST)),)
 NINJA ?= prebuilts/build-tools/$(HOST_PREBUILT_TAG)/bin/ninja
+else
+NINJA ?= prebuilts/build-tools/$(HOST_PREBUILT_TAG)/asan/bin/ninja
+endif
 
 include $(BUILD_SYSTEM)/soong.mk