Properly use Import task

Author: ivanpovazan

src/mono/msbuild/android/build/AndroidBuild.targets

@@ -7,6 +7,8 @@
     <EnableDefaultAssembliesToBundle Condition="'$(EnableDefaultAssembliesToBundle)' == ''">false</EnableDefaultAssembliesToBundle>
   </PropertyGroup>
 
+  <!-- Import default AOT arguments -->
+  <Import Condition="'$(RunAOTCompilation)' == 'true'" Project="$(RepoTasksDir)AotCompilerTask\MonoAOTCompiler.props" />
   <UsingTask Condition="'$(AndroidGenerateAppBundle)' == 'true'"
              TaskName="AndroidAppBuilderTask"
              AssemblyFile="$(AndroidAppBuilderTasksAssemblyPath)" />