InputManagerService: fix requireNonNull failure messages

Looks like there were a couple of copy-paste errors in change
I58a6aa93c3122923db8450471c9059a3e4b16268.

Bug: 245989146
Test: none
Flag: EXEMPT log only update
Change-Id: I3b2985016668119e247dcdce3f9bf34aec0a8a35
1 file changed