Fix Android Beam stop working during repetition

Prevent changing the P2pLinkManager state
if the SendUi state is not idle.

If P2pLinkManager changed to wrong state,
user need to wait timeout to use AndroidBeam again.

Bug: 31329174
Test: manual (AndroidBeam)
Change-Id: I6ccfdf8e403883742e848334278cce0333c5b9d8
3 files changed