Revert "build: local_manifest.xml deprecated, use local_manifests"

This reverts commit 3084c0097233a191cbaaba34a0e014d6313be341.
Update to GenetICS

Change-Id: I133f0cda127e077f7327358b29000b109a73d0b6
Add upstream() & mergeupstream() functions to envsetup

source build/envsetup.sh

    mergeupstreamall
or
    cd PROJECT
    mergeupstream

Change-Id: I292489d96a03b7df17af533d783674f77f2155bd
Fix mergeupstream for ics-plus

Upstream branch is ics
Our branch is ics-plus

Change-Id: Ic276cf1d32208a39a9da81d6351e10eb7d82265b