Update links in appveyor.yml

Change-Id: I3d44e3c6877e00cfea5a903568fde1e6f597aac1

appveyor.yml

@@ -19,9 +19,15 @@ environment:
 test: off
 
 install:
-  - ps: Start-FileDownload https://googlemock.googlecode.com/files/gmock-1.7.0.zip
-  - 7z x gmock-1.7.0.zip
-  - rename gmock-1.7.0 gmock
+  - ps: Start-FileDownload https://github.com/google/googlemock/archive/release-1.7.0.zip
+  - 7z x release-1.7.0.zip
+  - del /Q release-1.7.0.zip
+  - rename googlemock-release-1.7.0 gmock
+  - ps: Start-FileDownload https://github.com/google/googletest/archive/release-1.7.0.zip
+  - 7z x release-1.7.0.zip
+  - del /Q release-1.7.0.zip
+  - rename googletest-release-1.7.0 gtest
+  - move gtest gmock
   - ps: Start-FileDownload https://go.microsoft.com/fwlink/?LinkID=809122 -FileName dotnetsdk.exe
   - dotnetsdk.exe /install /quiet /norestart