Merge pull request #434 from mortend/android

Android: Add Gradle.Properties element

Author: mortend

lib/UnoCore/android/android.uxl

@@ -48,6 +48,7 @@
     <Declare Element="AndroidManifest.Permission" />
     <Declare Element="AndroidManifest.RootElement" />
     <Declare Element="AndroidManifest.Activity.ViewIntentFilter" />
+    <Declare Element="Gradle.Properties" />
     <Declare Element="Gradle.Settings" />
     <Declare Element="Gradle.Dependency" />
     <Declare Element="Gradle.Dependency.ClassPath" />

lib/UnoCore/android/gradle.properties

@@ -1,2 +1,3 @@
 android.useAndroidX=true
-android.enableJetifier=true
+android.enableJetifier=true
+@(Gradle.Properties:Join('\n'))