Purpose: Moving cast auth into GMScore. Deisign doc: go/gtv-cast-auth Bug: b/318467776 Test: Manual Change-Id: Ic18188dfa61df0d64c1b19fddc99abe851f8b724
Purpose: Moving cast auth into GMScore. Deisign doc: go/gtv-cast-auth Bug: b/318467776 Test: Manual Change-Id: Ic18188dfa61df0d64c1b19fddc99abe851f8b724