Build: Force system owner for ASAN in system

For tar-ed ASAN artifacts, enforce ownership by the system uid.

Bug: 36458146
Test: m && m SANITIZE_TARGET=true SANITIZE_TARGET_SYSTEM=true
Change-Id: I190cba3d160f15a89ef74f26e7aaa853a449929f
diff --git a/core/Makefile b/core/Makefile
index 2ef9842..510cd98 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1485,10 +1485,12 @@
   $(2ND_TARGET_OUT_SHARED_LIBRARIES) \
   $(TARGET_OUT_VENDOR_SHARED_LIBRARIES) \
   $(2ND_TARGET_OUT_VENDOR_SHARED_LIBRARIES)))
+# Extra options: Enforce the system user for the files to avoid having to change ownership.
+ASAN_SYSTEM_INSTALL_OPTIONS := --owner=1000 --group=1000
 # Note: experimentally, it seems not worth it to try to get "best" compression. We don't save
 #       enough space.
 $(ASAN_IN_SYSTEM_INSTALLED): $(INSTALLED_USERDATAIMAGE_TARGET_DEPS)
-	tar cfj $(ASAN_IN_SYSTEM_INSTALLED) -C $(TARGET_OUT_DATA)/.. $(ASAN_OUT_DIRS_FOR_SYSTEM_INSTALL) >/dev/null
+	tar cfj $(ASAN_IN_SYSTEM_INSTALLED) $(ASAN_SYSTEM_INSTALL_OPTIONS) -C $(TARGET_OUT_DATA)/.. $(ASAN_OUT_DIRS_FOR_SYSTEM_INSTALL) >/dev/null
 
 #######
 ## data partition tarball