Fix IllegalStateException

Fix java.lang.IllegalStateException: This container does not support
retaining Map.Entry objects.

Bug: 199822696
Test: 1) Request a app specific incoming SMS(No response)
      2) After 5 mins, receive any incoming SMS

Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
Change-Id: If126d20a49d1e3a23e33aa9a5a483ecbc2adc5b7