Add helper methods to check whether the specified prefix is
entirely contained in this prefix, or the specified address
is contained in this prefix.
Bug: 184750836
Test: atest IPPrefixTest
Change-Id: I838510b347ac5741c589ee8f3983111209155588
libnetdutils is referenced by netd.c and TrafficController.cpp, which
are going to be mainlined. Therefore, move libnetdutils to a common
place where both mainline module and platform code (Netd) can refer to.
Bug: 202086915
Test: build; flash; cd system/netd; atest
No-Typo-Check: Clean code move with no other changes.
BYPASS_INCLUSIVE_LANGUAGE_REASON=Clean code move with no other changes.
Merged-In: I645bfe35f6543149c9a9f894cd4158d27a481abe
Change-Id: I645bfe35f6543149c9a9f894cd4158d27a481abe
