Adds array literal support to the interpreter. Currently constructed
array elements don't have type feedback slots, so also adds support for
generic keyed store operations.

Adds the following bytecodes:
 - CreateArrayLiteral
 - KeyedStoreICGeneric

BUG=v8:4280
LOG=N

Review URL: https://codereview.chromium.org/1400753003

Cr-Commit-Position: refs/heads/master@{#31240}