APR is the only reason we depend on libuuid, so we'll rely on APR's
tools here.

This partially reverts commit f7fb54d0.

After being configured, APR and apr-util provide config scripts that
enumerate the libraries and compiler and linker options needed to
build code relying on APR/apr-util.  This patch causes us to more
fully include the output of these scripts in our build process.

FS-5574 --resolve

Conflicts:
	libs/freetdm/mod_freetdm/mod_freetdm.c

freetdm: ftmod_zt: Refactor event processing to store OOB events that arrive during read/write operations

Conflicts:
	src/include/switch_channel.h
	src/switch_channel.c

Conflicts:
	src/mod/applications/mod_conference/mod_conference.c