Reject any length mismatch, not trying to be nice and proceed.

Rationale:
Comparing expected length with actual length should reject
both too long and too short, as both directions are vulnerable
(before we were trying too hard to be nice).

Bug: 34469397
Test: dexdump
Change-Id: Ie221071d557905c51963fd667f451d612a42db96
1 file changed