Skip snapshot for sanitizer variants with both cfi and hwasan

cfi and hwasan cannot be enabled at the same time. Skip building
vendor snasphots for the snapshot variants with both cfi and hwasan.

Bug: 277174974
Bug: 290779821
Test: HWASAN_INCLUDE_PATHS=frameworks/native/libs/gui m
Change-Id: Iaae913367a70e150d77a614de5f942aea98d1086