Log dispatch state when pointers overlap

We are still receiving reports in go/crashes for overlapping pointers,
both internally and externally.

The reports appear to be limited to test scenarios.

To help debug these failures, log dispatcher state whenever we encounter
overlapping pointers.

Bug: 332186379
Test: TEST=inputflinger_tests; m $TEST && adb sync && adb shell -t /data/nativetest64/$TEST/$TEST
Change-Id: I38d6b7a777f00e734ada06e4d6f53fb752007b83