Simplify command line arguments

Change-Id: I9d6902b0c447fd8fbe5600fd36139791b2ceefb7
diff --git a/build/Android.oat.mk b/build/Android.oat.mk
index 52d5621..4839667 100644
--- a/build/Android.oat.mk
+++ b/build/Android.oat.mk
@@ -50,7 +50,7 @@
 # TODO: change DEX2OATD to order-only prerequisite when output is stable
 $(TARGET_CORE_OAT): $(TARGET_CORE_DEX) $(DEX2OAT)
 	@echo "target dex2oat: $@ ($<)"
-	$(hide) $(DEX2OAT) -Xms32m -Xmx32m $(addprefix --dex-file=,$(filter-out $(DEX2OAT),$^)) --oat=$@ --image=$(TARGET_CORE_IMG) --base=$(IMG_TARGET_BASE_ADDRESS) --strip-prefix=$(PRODUCT_OUT)
+	$(hide) $(DEX2OAT) -Xms32m -Xmx32m $(addprefix --dex-file=,$(filter-out $(DEX2OAT),$^)) --oat=$@ --image=$(TARGET_CORE_IMG) --base=$(IMG_TARGET_BASE_ADDRESS) --host-prefix=$(PRODUCT_OUT)
 
 ########################################################################
 # The full system boot classpath
@@ -62,4 +62,4 @@
 # TODO: change DEX2OATD to order-only prerequisite when output is stable
 $(TARGET_BOOT_OAT): $(TARGET_BOOT_DEX) $(DEX2OAT)
 	@echo "target dex2oat: $@ ($<)"
-	$(hide) $(DEX2OAT) -Xms256m -Xmx256m $(addprefix --dex-file=,$(filter-out $(DEX2OAT),$^)) --oat=$@ --image=$(TARGET_BOOT_IMG) --base=$(IMG_TARGET_BASE_ADDRESS) --strip-prefix=$(PRODUCT_OUT)
+	$(hide) $(DEX2OAT) -Xms256m -Xmx256m $(addprefix --dex-file=,$(filter-out $(DEX2OAT),$^)) --oat=$@ --image=$(TARGET_BOOT_IMG) --base=$(IMG_TARGET_BASE_ADDRESS) --host-prefix=$(PRODUCT_OUT)