Added permission check for setCellInfoListRate

Now the caller needs to have MODIFY_PHONE_STATE to call
this API.

Test: Manual
bug: 33815946
Merged-In: Ia2cf0de383572033c70b94ae71080ef35c3f443c
Change-Id: Ia2cf0de383572033c70b94ae71080ef35c3f443c
1 file changed