Add a filter function to CollectionUtils

This is generally useful, and specifically useful in
NetworkRanker

Test: Used in NetworkRanker, ConnectivityServiceTest
Change-Id: I896e7e5bcb2931ce43a5b88967bfd6fcd1de0ce2
1 file changed
tree: d49d36aca08f26e38755d7b59f7eedd077708d21
  1. staticlibs/