Clear the edit text of chat screen when we clicked on Voice button.

app/src/main/java/com/vsoft/servicenow/ui/ChatActivity.java

@@ -190,6 +190,7 @@ public class ChatActivity extends AppCompatActivity implements OnDSListener, OnD
             @Override
             public void onClick(View v) {
                 Util.hideSoftKeyboard(ChatActivity.this, v);
+                mInputMessageView.setText("");
 
                 if (null == mLoggedInUsername) return;
                 if (!mSocket.connected()) return;