Add Iris Android APK tooling

app/src/android/transcript_client.rs

@@ -89,8 +89,8 @@ fn frame_report_controls(rsc: &mut StdRsc<TranscriptClient>) -> WeakWidget {
     (report, reset).span(Dir::RIGHT).height(56).add(rsc)
 }
 
-impl AndroidAppState for TranscriptClient {
-    fn new(mut ui_state: AndroidUiState, rsc: &mut StdRsc<Self>) -> Self {
+impl TranscriptClient {
+    pub(super) fn new(mut ui_state: AndroidUiState, rsc: &mut StdRsc<Self>) -> Self {
         let content = WidgetPtr::new().add(rsc);
         let loading = placeholder(rsc, "Loading sessions...");
         content(rsc).set(loading);
@@ -112,8 +112,12 @@ impl AndroidAppState for TranscriptClient {
         client.spawn_fetch_sessions(rsc);
         client
     }
+}
 
-    fn back_pressed(&mut self, _rsc: &mut StdRsc<Self>) -> bool {
+impl AndroidAppState for TranscriptClient {
+    type Resources = StdRsc<Self>;
+
+    fn back_pressed(&mut self, _rsc: &mut Self::Resources) -> bool {
         // No screen stack of its own -- same "let the activity finish"
         // answer `iris-android-app`'s tabs `Client` already gives.
         false