tree b0d36b4236a92f139b4dcd08a85f909586ce2ede
parent 588ee9ffc464a0d2b2d0947724eeb897d2061931
author Yi Kong <yikong@google.com> 1533592138 -0700
committer Yi Kong <yikong@google.com> 1533592138 -0700

Modernize codebase by replacing NULL with nullptr

Fixes -Wzero-as-null-pointer-constant warning.

Test: m
Bug: 68236239
Change-Id: Ic440b9fcb9be97c316448b764f7110ef1f7eb525