Add clang builder top level script

build/android/buildbot/bb_clang_builder.sh

Index: build/android/buildbot/bb_clang_builder.sh
diff --git a/build/android/buildbot/bb_fyi_builder.sh b/build/android/buildbot/bb_clang_builder.sh
similarity index 67%
copy from build/android/buildbot/bb_fyi_builder.sh
copy to build/android/buildbot/bb_clang_builder.sh
index 83c44feab5b011e965473d680aa27e72c9e30fe2..3bf88aedb8d05749d5dd780799b82ed193b4708b 100755
--- a/build/android/buildbot/bb_fyi_builder.sh
+++ b/build/android/buildbot/bb_clang_builder.sh
@@ -3,15 +3,11 @@
 # 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 fyi waterfall and fyi trybots.
-# Compile and zip the build.
+# Buildbot annotator script for clang.
 
 BB_DIR="$(dirname $0)"
 BB_SRC_ROOT="$(cd  "$BB_DIR/../../.."; pwd)"
 . "$BB_DIR/buildbot_functions.sh"
 
 bb_baseline_setup "$BB_SRC_ROOT" "$@"
-bb_check_webview_licenses
 bb_compile
-bb_compile_experimental
-bb_zip_build