V8 Buildbot: Add mac64 asan trybot.

scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_mac64_asan_rel.json

Index: scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_mac64_asan_rel.json
diff --git a/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_asan_rel.json b/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_mac64_asan_rel.json
similarity index 98%
copy from scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_asan_rel.json
copy to scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_mac64_asan_rel.json
index d60ddc795c7a80bf1903245c859da4712868a3a3..44a9ee383b89e66f31c1cad138042325aca5ad9e 100644
--- a/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_asan_rel.json
+++ b/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_mac64_asan_rel.json
@@ -7,7 +7,7 @@
       "--master",
       "tryserver.v8",
       "--builder",
-      "v8_linux64_asan_rel",
+      "v8_mac64_asan_rel",
       "--slave",
       "TestSlavename",
       "--spec",
@@ -60,7 +60,7 @@
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
-      "GYP_DEFINES": "asan=1 clang=1 dcheck_always_on=0 fastbuild=1 gomadir='[BUILD]/goma' lsan=1 target_arch=x64 use_goma=1 v8_target_arch=x64",
+      "GYP_DEFINES": "asan=1 clang=1 dcheck_always_on=0 fastbuild=0 gomadir='[BUILD]/goma' lsan=1 target_arch=x64 use_goma=1 v8_target_arch=x64",
       "GYP_GENERATORS": "ninja"
     },
     "name": "gclient runhooks"