Add -Release ASAN bots.

These may be better at -fsanitize=object-size.

No need to loop more than once in nanobench for these bots.

CQ_INCLUDE_TRYBOTS=skia.primary:Build-Ubuntu-Clang-x86_64-Release-ASAN,Perf-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-ASAN,Perf-Ubuntu-Clang-Golo-GPU-GT610-x86_64-Release-ASAN,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-ASAN,Test-Ubuntu-Clang-Golo-GPU-GT610-x86_64-Release-ASAN

Change-Id: If89e94390d473434717cfe28de6be9055b68d8d4
Reviewed-on: https://skia-review.googlesource.com/7278
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/bench/nanobench.cpp b/bench/nanobench.cpp
index 7e05319..4a058be 100644
--- a/bench/nanobench.cpp
+++ b/bench/nanobench.cpp
@@ -71,8 +71,12 @@
 
 static const int kAutoTuneLoops = 0;
 
+#if !defined(__has_feature)
+    #define  __has_feature(x) 0
+#endif
+
 static const int kDefaultLoops =
-#ifdef SK_DEBUG
+#if defined(SK_DEBUG) || __has_feature(address_sanitizer)
     1;
 #else
     kAutoTuneLoops;