Merge remote-tracking branch 'origin/dev-tzy' into dev-wjc

WJC

2019-11-07 2109463fab2eb1caed189e4f258e0e763c5cea7b

 ZigbeeApp/GateWay.Droid/packages.config

old mode 100644
new mode 100755
@@ -51,5 +51,4 @@
  <package id="System.Threading.Timer" version="4.3.0" targetFramework="monoandroid60" />
  <package id="System.Xml.ReaderWriter" version="4.3.0" targetFramework="monoandroid60" />
  <package id="System.Xml.XDocument" version="4.3.0" targetFramework="monoandroid60" />
  <package id="Xamarin.Android.Support.v4" version="28.0.0" targetFramework="monoandroid60" />
</packages>
  </packages>