Adopt commit 4a37799 from master: Merge pull request #906 from osubbotin/review/bsls-timeutils-return-asserts-drqs-93974802
Adopt commit 4a37799 from master: Merge pull request #906 from osubbotin/review/bsls-timeutils-return-asserts-drqs-93974802

commit 4a377996c1ec99fe3d9d1c3835a51a77343bd43e
Merge: 93a08b3 c3ed87f
Author: Henry Verschell <hverschell@bloomberg.net>
Date:   Sun Dec 18 17:19:02 2016 -0500

    Merge pull request #906 from osubbotin/review/bsls-timeutils-return-asserts-drqs-93974802

    Re-enable BSLS_ASSERTs in bsls_timeutils.cpp

commit c3ed87f47b0d08121f9945a2141816142ad0c2cc
Author: Oleg Subbotin <osubbotin@bloomberg.net>
Date:   Fri Dec 16 10:42:56 2016 -0500

    Re-enable BSLS_ASSERTs in bsls_timeutils.cpp

bloomberg/bde,che2/bde,che2/bde,dharesign/bde,dharesign/bde,dharesign/bde,apaprocki/bde,bloomberg/bde,apaprocki/bde,dharesign/bde,bloomberg/bde,bloomberg/bde,che2/bde,bloomberg/bde,che2/bde,apaprocki/bde,apaprocki/bde,apaprocki/bde