[tools] Add v8_pixel2_perf_try to the list of bots that can be triggered

TBR=machenbach@google.om

No-Try: true
Bug: chromium:838864
Change-Id: Ic162e3fbd1c02b62cd8151bb5a598ca25db39d0b
Reviewed-on: https://chromium-review.googlesource.com/1163721
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54968}

tools/try_perf.py

@@ -18,12 +18,14 @@ BOTS = {
   '--nexus7': 'v8_nexus7_perf_try',
   '--nexus9': 'v8_nexus9_perf_try',
   '--nexus10': 'v8_nexus10_perf_try',
+  '--pixel2': 'v8_pixel2_perf_try',
 }
 
 # This list will contain builder names that should be triggered on an internal
 # swarming bucket instead of internal Buildbot master.
 SWARMING_BOTS = [
   'v8_linux64_perf_try',
+  'v8_pixel2_perf_try',
 ]
 
 DEFAULT_BOTS = [