Angler: Move to SANITIZE_TARGET_ARCH

Use the new SANITIZE_TARGET_ARCH.

Bug: 29498013
Test: m SANITIZE_TARGET=address SANITIZE_LITE=true
Test: readelf -s $OUT/system/bin/app_process64 | grep asan
Change-Id: I7e7116e67e66f143ed0fca79913bec121913810d
(cherry picked from commit a71e834a5dde35debe7a1552013ee43c3007a402)
1 file changed