Add install test (#8)

* Add first install test

* Fix style

* Split the test into spanner and bigtable

* Correct indentation

* Add other distros, shared lib test, and kokoro configs

* Fix style

ci/test-install/compile-test-projects.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# Copyright 2019 Google LLC
+#
+# 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.
+
+# Compile projects that utilize the cpp-cmakefiles header files and libraries
+# installed to the system. This script expects that the entire source tree is
+# copied to /home/build/cpp-cmakefiles. Don't try to run this locally.
+
+set -eu
+
+# For bigtable protos
+cp -R /home/build/cpp-cmakefiles/ci/test-install/bigtable \
+  /home/build/test-install-bigtable
+cd /home/build/test-install-bigtable
+cmake -H. -Bcmake-out
+cmake --build cmake-out -- -j "$(nproc)"
+cmake-out/utilize-googleapis
+
+# For spanner protos
+cp -R /home/build/cpp-cmakefiles/ci/test-install/spanner \
+  /home/build/test-install-spanner
+cd /home/build/test-install-spanner
+cmake -H. -Bcmake-out
+cmake --build cmake-out -- -j "$(nproc)"
+cmake-out/utilize-googleapis