ussd: Suppress error dialog when ussd release received

Remove the prompt sent when network releases USSD session

Bug: 17782840
Change-Id: I4ca1d6db3be89ce2f28986cbc96824276edc6c7f
3 files changed
tree: 50c642a3a91498d503283cf4f7c632cf29c0821f
  1. Android.mk
  2. CleanSpec.mk
  3. README.txt
  4. src/
  5. tests/
  6. tools/