Upgrade google-cloud-cpp to v0.5.0. (#5096)

This time with less patches!

ports/google-cloud-cpp/CONTROL

@@ -1,4 +1,4 @@
 Source: google-cloud-cpp
-Version: 0.4.0
+Version: 0.5.0
 Build-Depends: grpc, gtest, curl, crc32c
 Description: C++ Client Libraries for Google Cloud Platform APIs.

ports/google-cloud-cpp/include-protobuf.patch

@@ -1,13 +0,0 @@
---- a/google/cloud/bigtable/CMakeLists.txt	2018-11-09 10:56:34.029389338 -0500
-+++ a/google/cloud/bigtable/CMakeLists.txt	2018-11-09 10:57:18.461259917 -0500
-@@ -53,6 +53,10 @@
- # Configure the location of proto files, particulary the googleapis protos.
- list(APPEND PROTOBUF_IMPORT_DIRS "${PROJECT_THIRD_PARTY_DIR}/googleapis"
-             "${PROJECT_SOURCE_DIR}")
-+find_path(PROTO_INCLUDE_DIR google/protobuf/descriptor.proto)
-+if(PROTO_INCLUDE_DIR)
-+    list(INSERT PROTOBUF_IMPORT_DIRS 0 "${PROTO_INCLUDE_DIR}")
-+endif()
- 
- # Include the functions to compile proto files.
- include(CompileProtos)

ports/google-cloud-cpp/portfile.cmake

@@ -1,17 +1,13 @@
-if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
-    message(STATUS "Warning: Dynamic building not supported yet. Building static.")
-    set(VCPKG_LIBRARY_LINKAGE static)
-endif()
-
 include(vcpkg_common_functions)
 
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO GoogleCloudPlatform/google-cloud-cpp
-    REF v0.4.0
-    SHA512 2198a7e055c37c2a0d782e2226c2cfb4009e01c36783fe23a0a32b10c7800c1998fbaea17281cb831e7b58975d1bcdb1b2bfec0a5e4fd9d08f25299b96e8893a
+    REF v0.5.0
+    SHA512 48c5f4828bc85ae2c4bfe52b5bb51ff5da6a4cd6759f819aefaf9c23d7fffeb0a10390274f0e83f030f66f59a364c05583240e426143073187f104345e0b05d5
     HEAD_REF master
-    PATCHES include-protobuf.patch
 )
 
 set(GOOGLEAPIS_VERSION 6a3277c0656219174ff7c345f31fb20a90b30b97)
@@ -29,7 +25,7 @@ vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
     OPTIONS
-        -DGOOGLE_CLOUD_CPP_DEPENDENCY_PROVIDER=vcpkg
+        -DGOOGLE_CLOUD_CPP_DEPENDENCY_PROVIDER=package
         -DGOOGLE_CLOUD_CPP_ENABLE_MACOS_OPENSSL_CHECK=OFF
 )