local_test_runner: plumb ASAN use flag through software deps

This allows tests to run only when ASAN is disabled.

BUG=chromium:877733
TEST=run security.ASLR with checktestdeps and ensure it fails
  if the system has the use flag
CQ-DEPEND=CL:1359773

Change-Id: I4d8f53422c24de6cfdb2608c136cde67b1ccb2f4
Reviewed-on: https://chromium-review.googlesource.com/1359793
Commit-Ready: Eric Caruso <[email protected]>
Tested-by: Eric Caruso <[email protected]>
Reviewed-by: Eric Caruso <[email protected]>
diff --git a/docs/test_dependencies.md b/docs/test_dependencies.md
index 2a9148b..5786fe6 100644
--- a/docs/test_dependencies.md
+++ b/docs/test_dependencies.md
@@ -9,9 +9,12 @@
 The following software features are defined:
 
 *   `android` - The ability to [run Android apps]. Any version of Android can be
-     used.
+    used.
 *   `android_p` - The ability to [run Android apps] that require Android P or
-     later.
+    later.
+*   `aslr` - Address space layout randomization, which mitigates buffer-overflow
+    attacks, is functional (this is not true for builds with [AddressSanitizer]
+    instrumentation built in).
 *   `audio_play` - The ability to play audio.
 *   `audio_record` - The ability to record audio.
 *   `autotest-capability:foo` - An [Autotest capability] named `foo`. See below.
@@ -53,6 +56,7 @@
 
 [testing.Test]: https://godoc.org/chromium.googlesource.com/chromiumos/platform/tast.git/src/chromiumos/tast/testing#Test
 [run Android apps]: https://developer.android.com/topic/arc/
+[AddressSanitizer]: https://github.com/google/sanitizers/wiki/AddressSanitizer
 [Autotest capability]: https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/master/chromeos-base/autotest-capability-default/
 [Memory stats collection daemon]: https://chromium.googlesource.com/chromiumos/platform2/+/master/metrics/memd/
 [screenshot command]: https://chromium.googlesource.com/chromiumos/platform2/+/master/screenshot/