Fix array-related errorprone warnings

The ArrayEquals, ArrayHashCode, ArrayToString, and
ArraysAsListPrimitiveArray errorprone findings were
demoted from errors to warnings. Fix existing
occurrences of them so they can be made errors again.

Bug: 242630963
Test: RUN_ERROR_PRONE=true m javac-check
Change-Id: I9422dc79c16e1495df16825aaca89d3d8153e24c
Merged-In: I7fa09707595877f3edd6619ed875020e4e39f263