This is a Huawei EMUI 9 issue.
The workaround is to open Settings -> Battery -> App launch, find the Photo Plugin app, and unset the "Automatic" switch.
A pop-up will appear, asking what you want to allow (all true by default). make sure that the first, Auto-launch is enabled
More details here: https://stackoverflow.com/questions/43913937/
Note: to be able to open Settings and Battery Settings, enable the following package IDs:
See here how to enable package IDs of the system apps.