[DO NOT MERGE] Merge ContactsDrawerActivity and PeopleActivity (1/2)

This CL is a combination of the following 3 commits:
917cb4aae63f46ebc1e791e02dc3909d5f6c2c4d
87deaf77f6e8c0d32d476d2e50e2290951e11553
de61df7b6aa3c234fcd540066528ad7da81eaf47

Bug: 34066506

Test: build locally

Change-Id: I88d14e21cac3131c9135895faf611f4c21173128
7 files changed