Added 50ms delay after onSetReport() RPC call

                mHidBlockingStub

                        .withDeadlineAfter(PROTO_MODE_TIMEOUT.toMillis(), TimeUnit.MILLISECONDS)

                        .onSetReport(Empty.getDefaultInstance());

        // Todo: as a workaround added 50ms delay.

        // To be removed once root cause is identified for b/382180335

        final CompletableFuture<Integer> future = new CompletableFuture<>();

        future.completeOnTimeout(null, 50, TimeUnit.MILLISECONDS).join();

        // Keyboard report

        String kbReportData = "010203040506070809";

        mHidService.setReport(mDevice, BluetoothHidHost.REPORT_TYPE_INPUT, kbReportData);