Unify libstagefright_bufferqueue_helper and client.so

make sure the libstagefright_bufferqueue_helper.so uses the static,
no-binder version of bq on vendor side, while uses libgui on client side.

bug: 139201422
test: atest CtsMediaTestCases -- --module-arg CtsMediaTestCases:size:small

build and manually check the correct version gets installed on
apex & system.
Change-Id: I51ca0943fd89cd944f285e5f4be3db789fd6dc20