Added CompositePhoneLookup and added and implemented "lookup" method.

Fleshed out docs for PhoneLookup.

Added dagger components and modules.

Bug: 34672501
Test: unit
PiperOrigin-RevId: 173977963
Change-Id: If07795d9d3d56a59afd27cdda3e98543bf30fdb8
9 files changed