This moves some helper functions into our own namespace to avoid conflicting
with other util.h files.
Bug: 111895153
Change-Id: I2b4c77732a97b34a8528d69867c15ed802686703
This is planned to ship on device, so by convention the view_compiler should not
be in a tools directory.
Change-Id: I0eb03812d77ec38edc3908725acb40bacb345ecd