Support PRESIGNED in soong_app_prebuilt.mk
app_import support in Soong will require support for PRESIGNED.
Test: not yet
Change-Id: I436e41358b6a1ee2895ecaa9769e96cbf0714a2f
diff --git a/core/soong_app_prebuilt.mk b/core/soong_app_prebuilt.mk
index a9169eb..9e75ccb 100644
--- a/core/soong_app_prebuilt.mk
+++ b/core/soong_app_prebuilt.mk
@@ -129,7 +129,15 @@
my_2nd_arch_prefix :=
PACKAGES := $(PACKAGES) $(LOCAL_MODULE)
-ifdef LOCAL_CERTIFICATE
+ifeq ($(LOCAL_CERTIFICATE),PRESIGNED)
+ # The magic string "PRESIGNED" means this package is already checked
+ # signed with its release key.
+ #
+ # By setting .CERTIFICATE but not .PRIVATE_KEY, this package will be
+ # mentioned in apkcerts.txt (with certificate set to "PRESIGNED")
+ # but the dexpreopt process will not try to re-sign the app.
+ PACKAGES.$(LOCAL_MODULE).CERTIFICATE := PRESIGNED
+else ifneq ($(LOCAL_CERTIFICATE),)
PACKAGES.$(LOCAL_MODULE).CERTIFICATE := $(LOCAL_CERTIFICATE)
PACKAGES.$(LOCAL_MODULE).PRIVATE_KEY := $(patsubst %.x509.pem,%.pk8,$(LOCAL_CERTIFICATE))
endif