Add android chromium.perf top level scripts

build/android/buildbot/bb_perf_gn_tests.sh

Index: build/android/buildbot/bb_perf_gn_tests.sh
diff --git a/build/android/buildbot/bb_webkit_latest_webkit_tester.sh b/build/android/buildbot/bb_perf_gn_tests.sh
similarity index 69%
copy from build/android/buildbot/bb_webkit_latest_webkit_tester.sh
copy to build/android/buildbot/bb_perf_gn_tests.sh
index a49509f6bb7d2b001ac1fbf1ec92a4699c810b02..49936d80cc742b2f2a47fe6cf2e44bcb02dfa089 100755
--- a/build/android/buildbot/bb_webkit_latest_webkit_tester.sh
+++ b/build/android/buildbot/bb_perf_gn_tests.sh
@@ -3,8 +3,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
-# Buildbot annotator script for the WebKit latest WebKit tester on the
-# WebKit canary waterfall.
+# Buildbot annotator script for chromium.perf.
 
 BB_DIR="$(dirname $0)"
 BB_SRC_ROOT="$(cd  "$BB_DIR/../../.."; pwd)"
@@ -14,7 +13,5 @@ bb_baseline_setup "$BB_SRC_ROOT" "$@"
 bb_spawn_logcat_monitor_and_status
 bb_extract_build
 bb_reboot_phones
-bb_run_webkit_unit_tests
-bb_lint_webkit_expectation_files
-bb_run_webkit_layout_tests
+echo "@@@BUILD_STEP TODO: Perf tests@@@"
 bb_print_logcat