entity-manager: Add Storage to excludedProps to filter TLBMC messages

The string tlbmc in the .json file causes error messages in the entity
manager. This patch was added to filter out those error messages.

Currently, the following content is being filtered out:
"ProbeV2", "Asset", and "Storage".

Tested:
```
Tested on the machine and confirmed that no errors appeared.
```

Google-Bug-Id: 419164757
Change-Id: I76fc20661b2dab04b1a99b5848317cf23230d8d3
Signed-off-by: Ethan <ethan.im.hsieh@fii-na.corp-partner.google.com>