Backport PhoneNumberUtils methods (2/2)

Two methods are: normalizeNumber() and formatNumber().

Bug: 25629359
Change-Id: I81e2ae913026a912f9496da050930b52332cff81
2 files changed
tree: 2fde1b59175969d74e60c16896f08da4c4c51ff1
  1. src/
  2. TestCommon/
  3. tests/