feat: some simple UI tweaks to CLI (#3301)

packages/cli/src/build/bundle.rs

@@ -777,6 +777,8 @@ impl AppBundle {
     /// Run any final tools to produce apks or other artifacts we might need.
     async fn assemble(&self) -> Result<()> {
         if let Platform::Android = self.build.build.platform() {
+            self.build.status_running_gradle();
+
             // make sure we can execute the gradlew script
             #[cfg(unix)]
             {

packages/cli/src/build/progress.rs

@@ -29,6 +29,12 @@ impl BuildRequest {
         });
     }
 
+    pub(crate) fn status_running_gradle(&self) {
+        _ = self.progress.unbounded_send(BuildUpdate::Progress {
+            stage: BuildStage::RunningGradle,
+        })
+    }
+
     pub(crate) fn status_build_diagnostic(&self, message: CompilerMessage) {
         _ = self
             .progress