Handles bytecodeArray Objects when verifying the heap and also when
collecting code statistics. The changes include:
1. BytecodeArrays could be a part of the large object space. When
verifying the large object space we should also allow BytecodeArray
objects.
2. Adds support for BytecodeArrays when collecting code statistics.

BUG=v8:4280,chromium:599001
LOG=N

Review URL: https://codereview.chromium.org/1850443006

Cr-Commit-Position: refs/heads/master@{#35202}