Replace clang-format with symlink.

Automatic consistency.

Bug: 122835115
Test: manual
Change-Id: I6583f9f7923a822aa11f1839fbf375c1063a89c6

.clang-format

@@ -1,25 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-BasedOnStyle: Google
-CommentPragmas: NOLINT:.*
-DerivePointerAlignment: false
-AllowShortFunctionsOnASingleLine: Inline
-ColumnLimit: 100
-TabWidth: 4
-UseTab: Never
-IndentWidth: 4
-ContinuationIndentWidth: 8

.clang-format

@@ -0,0 +1 @@
+../../build/soong/scripts/system-clang-format