Adjusted EPOCROOT handling so that in the context of Raptor invocation,
it also updates the environment variable so that other modules (such as
e32variant.pm) can also work without changes.
# component name "E32 Tests"
component base_e32test
source \sf\os\kernelhwsrv\kerneltest\e32test
binary \sf\os\kernelhwsrv\kerneltest\e32test\group all
binary \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst all
exports \sf\os\kernelhwsrv\kerneltest\e32test\group
exports \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst
notes_source \component_defs\release.src
ipr T