Apply temporary patch so API-36 will be built on Mac CI.

Author: jpobst

build-tools/scripts/BuildEverything.mk

@@ -13,4 +13,5 @@ endif
 
 leeroy:
 	$(call DOTNET_BINLOG,leeroy) $(SOLUTION) $(_MSBUILD_ARGS)
+	$(call DOTNET_BINLOG,preview-monoandroid) src/Mono.Android/Mono.Android.csproj -p:BuildLatestPreview=true
 	$(call DOTNET_BINLOG,setup-workload) -t:ConfigureLocalWorkload build-tools/create-packs/Microsoft.Android.Sdk.proj

src/Mono.Android/Mono.Android.csproj

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <PropertyGroup Condition=" '$(BuildLatestPreview)' == 'true' ">
+    <AndroidApiLevel>36</AndroidApiLevel>
+    <AndroidPlatformId>Baklava</AndroidPlatformId>
+  </PropertyGroup>
+
   <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
   <Import Project="..\..\Configuration.props" />
   <Import Project="$(XamarinAndroidSourcePath)\build-tools\trim-analyzers\trim-analyzers.props" />