Fastsim tracking memory leak fix and rawaodsim event content definition

[davidlange6]

two changes for 803 based patch release:
-- fastsim memory leak fix
-- forward port of RAWAODSIM event content from 76x (where it was tested)

[cmsbuild]

A new Pull Request was created by @davidlange6 (David Lange) for CMSSW_8_0_3_patchX.

It involves the following packages:

Configuration/EventContent
FastSimulation/Tracking

@civanch, @lveldere, @ssekmen, @mdhildreth, @cmsbuild, @franzoni, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @matt-komm, @Martin-Grunewald this is something you requested to watch as well.
@slava77, @smuzaffar you are the release manager for this.
Note that this branch is designed for requested bug fixes specific to the CMSSW_8_0_3 release.
If you wish to make a pull request for the CMSSW_8_0_X release cycle, please use the CMSSW_8_0_X branch instead

cms-bot commands are list here #13028

[lveldere]

+1

(to get if from the fastsim-pending list)

thanks David!

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

-1
Tested at: UNKNOWN
I was not able to find a release to test this PR. See the Jenkins logs for more details.