Handle BadTokenException when adding IME ink window

BadTokenException can be thrown if token used to add IME window is
stale. We already do this for main IME window (SoftInputWindow), we
should do the same for InkWindow.

Fix: 355815690
Test: atest CtsInputMethodTestCases
Flag: EXEMPT_bug_fix_only
Change-Id: I97ad30520d0830621ab519af4306f77ddc4ace69