dump_modemlog: move android_property_manager

android_property_manager is moved to its own folder in the root of the
modem folder. This is so that libeomservice proxy has a specific build
target to include.

Test: build, flash, check modem logs in bugreport
Bug: 302435001
Change-Id: Ifc4a0c888717f5c28cf9b642d0b978b495be29d0
12 files changed