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: Id10781fbfd3ff45bf984944cea739bd0738500a0