Build: Force system owner for ASAN in system

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

(cherry picked from commit 2c498a39)

Bug: 36458146
Test: m && m SANITIZE_TARGET=true SANITIZE_TARGET_SYSTEM=true
Change-Id: I190cba3d160f15a89ef74f26e7aaa853a449929f