Add sandbox_linux_unittests to FYI bots.

build/android/buildbot/buildbot_functions.sh

 #!/bin/bash
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Bash functions used by buildbot annotator scripts for the android
 # build of chromium.  Executing this script should not perform actions
 # other than setting variables and defining of functions.
 
 # Number of jobs on the compile line; e.g.  make -j"${JOBS}"
@@ skipping 259 matching lines @@
       --builder-name "$BUILDERNAME" \
       --build-number "$BUILDNUMBER" \
       --master-name "$MASTERNAME" \
       --build-name "$BUILDERNAME" \
       --platform=chromium-android \
       --test-results-server "$RESULTSERVER"
 }
 
 # Run experimental unittest bundles.
 function bb_run_experimental_unit_tests {
-  echo
+  build/android/run_tests.py --xvfb --verbose -s sandbox_linux_unittests
 }
 
 # Run findbugs.
 function bb_run_findbugs {
   echo "@@@BUILD_STEP findbugs@@@"
   if [[ $BUILDTYPE = Release ]]; then
     local BUILDFLAG="--release-build"
   fi
   bb_run_step build/android/findbugs_diff.py $BUILDFLAG
   bb_run_step tools/android/findbugs_plugin/test/run_findbugs_plugin_tests.py \
@@ skipping 144 matching lines @@
   )
 }
 
 # Retrieve a packed json property using python
 function bb_get_json_prop {
   local JSON="$1"
   local PROP="$2"
 
   python -c "import json; print json.loads('$JSON').get('$PROP', '')"
 }