Fix the aligned_storage.pass unit test by updating its expectations.

Change-Id: I32a130ef0dd2ee35dcecf82dfd5cd27da1ae1b94
Make sizeof() expectation platform-independent and use alignof().

Change-Id: Iec532c84493ba63867fe7ac188de6035440b9c6d
Merge pull request #59 from awong-dev/pliard-fix-aligned_storage

Fix the aligned_storage.pass unit test by updating its expectations.