Reorder .targets

Moved the XamarinBuildDownload item declaration into the restore target so that it’s evaluated later in the build (so $(AndroidSdkDirectory) will be populated).

Author: Redth

template.targets

@@ -18,14 +18,6 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <XamarinBuildDownload Include="$(_XbdKey_)" Condition="!Exists('$(AndroidSdkDirectory)\extras\android\$(_XbdAarFile_)')">
-            <Url>$(_XbdUrl_)</Url>
-            <Kind>Zip</Kind>
-            <Sha1>$(_XbdSha1_)</Sha1>
-            <CustomErrorCode>XBD0100</CustomErrorCode>
-            <CustomErrorMessage>Please make sure 'Android Support Repository' is installed and updated to the latest version in the Android SDK Manager.  You can find it in the 'Extras' section of the Android SDK Manager.</CustomErrorMessage>
-            <ExclusiveLockTimeout>3600</ExclusiveLockTimeout>
-        </XamarinBuildDownload>
         <XamarinBuildRestoreResources Include="_XbdRestoreItems_"/>
     </ItemGroup>
 
@@ -35,6 +27,17 @@
             <Output PropertyName="_XbdAarFileFullPath_" TaskParameter="Value" />
         </CreateProperty>
 
+        <ItemGroup>
+            <XamarinBuildDownload Include="$(_XbdKey_)" Condition="!Exists('$(AndroidSdkDirectory)\extras\android\$(_XbdAarFile_)')">
+                <Url>$(_XbdUrl_)</Url>
+                <Kind>Zip</Kind>
+                <Sha1>$(_XbdSha1_)</Sha1>
+                <CustomErrorCode>XBD0100</CustomErrorCode>
+                <CustomErrorMessage>Please make sure 'Android Support Repository' is installed and updated to the latest version in the Android SDK Manager.  You can find it in the 'Extras' section of the Android SDK Manager.</CustomErrorMessage>
+                <ExclusiveLockTimeout>3600</ExclusiveLockTimeout>
+            </XamarinBuildDownload>
+        </ItemGroup>
+
         <ItemGroup>
             <XamarinBuildDownloadRestoreAssemblyAar Include="$(_XbdAarFileFullPath_)">
                 <LogicalName>__AndroidLibraryProjects__.zip</LogicalName>