feat(cli): add --android-app-path for clear-state reinstall

Wires the APK path from the test command through to the sidecar client so
Android clear-state can reset apps on OEM builds that deny pm clear.

cmd/sanderling/main.go

@@ -25,6 +25,7 @@ type testOptions struct {
 	device     string
 	iosDevice      string
 	iosAppPath     string
+	androidAppPath string
 	duration       time.Duration
 	seed           int64
 	output         string
@@ -56,6 +57,7 @@ func parseTestArgs(args []string, stderr io.Writer) (testOptions, error) {
 	flagSet.StringVar(&options.device, "device", "", "Android device serial (from `adb devices`) to target when several are connected")
 	flagSet.StringVar(&options.iosDevice, "ios-device", "", "iOS target: a simulator name/UDID to boot, or a connected device's name, UDID, or CoreDevice id")
 	flagSet.StringVar(&options.iosAppPath, "ios-app-path", "", "path to the .app bundle for iOS clear-state reinstall (simulator: simctl; device: devicectl)")
+	flagSet.StringVar(&options.androidAppPath, "android-app-path", "", "path to the .apk for Android clear-state reinstall; required to reset apps on OEM builds that deny `pm clear`")
 	flagSet.DurationVar(&options.duration, "duration", 5*time.Minute, "total test duration")
 	flagSet.Int64Var(&options.seed, "seed", 0, "RNG seed (0 = random)")
 	flagSet.StringVar(&options.output, "output", "./runs", "output directory for traces")

cmd/sanderling/test_run.go

@@ -16,6 +16,7 @@ func runTestPipeline(ctx context.Context, options testOptions, stdout io.Writer)
 		Device:         options.device,
 		IosDevice:      options.iosDevice,
 		IosAppPath:     options.iosAppPath,
+		AndroidAppPath: options.androidAppPath,
 		Duration:       options.duration,
 		Seed:           options.seed,
 		Output:         options.output,

internal/testrun/driver.go

@@ -170,6 +170,7 @@ func buildDriver(ctx context.Context, options Options, stdout io.Writer) (driver
 		return nil, nil, fmt.Errorf("dial sidecar: %w", err)
 	}
 	driverClient.SetPlatform(options.Platform)
+	driverClient.SetClearStateReinstall(options.Device, options.AndroidAppPath, stdout)
 	// WaitForHealth confirms the gRPC sidecar is up. For iOS, the WDA warmup
 	// (absorbing the XCUITest startup race) runs inside IosDriverBackend.init
 	// in the sidecar - no additional sleep needed here.

internal/testrun/testrun.go

@@ -29,6 +29,7 @@ type Options struct {
 	Device         string
 	IosDevice      string
 	IosAppPath     string
+	AndroidAppPath string
 	Duration       time.Duration
 	Seed           int64
 	Output         string