TrigEgammaEmulationTool: cmake fixes

Missing dependency on PathResolver. Don't use ROOT macros with no corresponding find_package.

This merge request affects 1 package:

• Trigger/TrigAnalysis/TrigEgammaEmulationTool

added Egamma Trigger master review-pending-level-1 labels

CI Result FAILURE

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-20428-2019-01-18-07-12
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 32383] (for remote access see the FAQ for MR reviewers)

added review-approved label and removed review-pending-level-1 label

Unrelated failures in overlay tests.

merged

mentioned in commit 2d30245c

added sweep:ignore label