Enable UI delay monitoring in EPP RCP/RAP package

Like in the EPP for Committers package, this enables monitoring of UI
freezes above 1000 ms. See also bug 446566 - Activate UI delay
monitoring for EPP Committers

Change-Id: I9c6ba6ef5af79c7cccde70536115afdb5e9fb0b1
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>