dscpPolicy.c - increase size of cache map

(and merge the ipv4 and ipv6 caches into one,
as there really is no need for separate ones)

Test: TreeHugger, atest DscpPolicyTest
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ie62393ea428885076ef59af69ac3eafeeba2934f
3 files changed