Improve elapsed time function (Report play status)

[arvvoid]

Please check that your pull request pass this checks:

• My changes respect the Kodi add-on development rules
• My code is both Python 2 and 3 compatible
• My code follows the code style of this project (PEP8, long lines allowed if make sense)
• I made sure there wasn't another Pull Request opened for the same update/change
• I have successfully tested my changes locally

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Adding a new region/hbo go version

Description:

This aim to prevent the sometimes seemingly random failure of the elapsed time function

[arvvoid]

Test versions, this has to be tested over a longer period of time:

Leia 18.x: plugin.video.hbogoeu-2.5.9-leia-beta1.zip
Matrix 19.x: plugin.video.hbogoeu-2.5.9-matrix-beta1.zip