Clear adb logcat when clearing Flipper logs

Summary: When using "Clear logs" in Flipper, also flush the native Android buffer.

Reviewed By: jknoxville

Differential Revision: D14225722

fbshipit-source-id: f41ff9013b95fc3271d3ae44910da18023708d2d

src/plugins/logs/index.js

@@ -522,6 +522,9 @@ export default class LogTable extends FlipperDevicePlugin<
   }
 
   clearLogs = () => {
+    this.device.clearLogs().catch(e => {
+      console.error('Failed to clear logs: ', e);
+    });
     this.setState({
       entries: [],
       rows: [],