Provide overlay drawing boundaries without Android rendering

tools/chatgui-android/router-tests/src/main/kotlin/android/graphics/HostGraphics.kt

@@ -0,0 +1,4 @@
+package android.graphics
+
+data class Point(var x: Int, var y: Int)
+object PixelFormat { const val TRANSLUCENT = -3 }

tools/chatgui-android/router-tests/src/main/kotlin/android/graphics/drawable/GradientDrawable.kt

@@ -0,0 +1,9 @@
+package android.graphics.drawable
+
+class GradientDrawable {
+    companion object { const val OVAL = 1 }
+    var shape = 0
+    var color = 0
+        private set
+    fun setColor(value: Int) { color = value }
+}

tools/chatgui-android/router-tests/src/main/kotlin/android/widget/TextView.kt

@@ -0,0 +1,6 @@
+package android.widget
+
+import android.content.Context
+import android.view.View
+
+class TextView(context: Context) : View() { var text = ""; var textSize = 0f; var gravity = 0 }