Updated TargetFrameworkVersion for Android

Author: VishalOmprasad

DataFormXamarin/DataFormXamarin/DataFormXamarin.Android/DataFormXamarin.Android.csproj

@@ -15,7 +15,7 @@
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
-    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v13.0</TargetFrameworkVersion>
     <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>