Revert "Marlin: Move to SANITIZE_TARGET_ARCH"

This reverts commit 9fe83f2c970dd74465f82a7da83582500f62783a.

Bug: 28992626
Bug: 29498013
Test: m
diff --git a/device-common.mk b/device-common.mk
index f065a8d..ac97cc3 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -440,7 +440,7 @@
 # b/28992626
 # For Hangouts, make ASAN-lite only sanitize 32-bit.
 ifeq (true,$(SANITIZE_LITE))
-  SANITIZE_TARGET_ARCH := arm
+  SANITIZE_ARCH := 32
 endif
 
 # b/30349163