tree b3e467bdc01a381fdef7ff0867cd4c9312e78a9c
parent 802eccd2f8eaec85027f77d7183efb0b944fbf68
author Bernie Innocenti <codewiz@google.com> 1570085406 +0900
committer Bernie Innocenti <codewiz@google.com> 1570182364 +0900

Convert Cache to a C++ object with a constructor

No functionality changes. One thing to watch out for in reviews:
switching from calloc() to new does not guarantee that all POD fields
will be zero-initialized.

Test: cd packages/modules/DnsResolver && atest
Change-Id: I7f6421b315a6cab650fd7d5d788b4fc6704205cf