add bounds sanitizer to ASAN/UBSAN bots

Change-Id: Ibe93cd564a4dcc5b9a4f88ff93770935d560e24f
Reviewed-on: https://skia-review.googlesource.com/146705
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Klein <mtklein@google.com>
1 file changed