Disable OOM reporter test when ASan is present

ASan generally reports OOM by printing an ASan error report to stderr
and exiting with exit code 1. That interferes with base's termination
status classification, and therefore OOM detection. Disable the test for
now.

TBR=csharrison@chromium.org

Change-Id: Ie88b2975cc2fb2fc531462f4cbf98c740b556db2
Reviewed-on: https://chromium-review.googlesource.com/762189Reviewed-by: Reid Kleckner <rnk@chromium.org>
Reviewed-by: Charlie Harrison <csharrison@chromium.org>
Commit-Queue: Reid Kleckner <rnk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#515361}

chrome/browser/metrics/oom/out_of_memory_reporter_browsertest.cc

@@ -51,8 +51,9 @@ class OutOfMemoryReporterBrowserTest : public InProcessBrowserTest,
   DISALLOW_COPY_AND_ASSIGN(OutOfMemoryReporterBrowserTest);
 };
 
-// No current reliable way to determine OOM on Linux/Mac.
-#if defined(OS_LINUX) || defined(OS_MACOSX)
+// No current reliable way to determine OOM on Linux/Mac. Sanitizers also
+// interfere with the exit code on OOM, making this detection unreliable.
+#if defined(OS_LINUX) || defined(OS_MACOSX) || defined(ADDRESS_SANITIZER)
 #define MAYBE_MemoryExhaust DISABLED_MemoryExhaust
 #else
 #define MAYBE_MemoryExhaust MemoryExhaust