[ Merge of http://go/wvgerrit/85408 ] Replacing a few instances of C's NULL with C++'s nullptr in some of the smaller sub-directories in the CDM. Bug: 120602075 Test: Linux and Android unittests Change-Id: I62bb548051434b4b974d89a6d57a9a17a0d66bd2
[ Merge of http://go/wvgerrit/85408 ] Replacing a few instances of C's NULL with C++'s nullptr in some of the smaller sub-directories in the CDM. Bug: 120602075 Test: Linux and Android unittests Change-Id: I62bb548051434b4b974d89a6d57a9a17a0d66bd2