Add Google Cloud SDK for Windows (#1102)

* Add Google Cloud SDK

* Add Validate-GoogleCloudSDK.ps1 script

images/win/scripts/SoftwareReport/SoftwareReport.Generator.ps1

@@ -101,7 +101,8 @@ $markdown += New-MDList -Style Unordered -Lines @(
     (Get-AWSSAMVersion),
     (Get-AlibabaCLIVersion),
     (Get-CloudFoundryVersion),
-    (Get-HubVersion)
+    (Get-HubVersion),
+    (Get-GoogleCloudSDKVersion)
 )
 
 $markdown += New-MDHeader "Browsers and webdrivers" -Level 3

images/win/scripts/SoftwareReport/SoftwareReport.Tools.psm1

@@ -202,4 +202,8 @@ function Get-StackVersion {
     ((stack --version --quiet) | Out-String) -match "Version (?<version>\d+\.\d+\.\d+)," | Out-Null
     $stackVersion = $Matches.Version
     return "Stack $stackVersion"
+}
+
+function Get-GoogleCloudSDKVersion {
+    (gcloud --version) -match "Google Cloud SDK"
 }