Ignore XA4218 warnings on Android Wear. Update Text

Author: dellis1972

src/Microsoft.Android.Templates/android-wear/AndroidApp1.csproj

@@ -9,6 +9,7 @@
     <ApplicationId>com.companyname.AndroidApp1</ApplicationId>
     <ApplicationVersion>1</ApplicationVersion>
     <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+    <MSBuildWarningsAsMessages>$(MSBuildWarningsAsMessages);XA4218</MSBuildWarningsAsMessages>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Xamarin.AndroidX.Wear" Version="1.2.0.5" />

src/Microsoft.Android.Templates/android-wear/Resources/values-round/strings.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_text">Hello, Android!</string>
+    <string name="app_text">Hello, Android Wear!</string>
 </resources>

src/Microsoft.Android.Templates/android-wear/Resources/values/strings.xml

@@ -5,5 +5,5 @@
     This string is used for square devices and overridden by hello_world in
     values-round/strings.xml for round devices.
     -->
-    <string name="app_text">Hello, Android!</string>
+    <string name="app_text">Hello, Android Wear!</string>
 </resources>