Android - Replace double underscore in events to single for Firebase

Description

After we fixed the analytics for Firebase that had colon `:` in their names as part of the following tickets:
https://openedx.atlassian.net/browse/LEARNER-7979

our analytics are now being sent but with 2 underscores in them as opposed to iOS which has 1 underscore in them. Explanation:

Event Original name: `Forum: Create Topic Thread`
iOS: `Forum_Create_Topic_Thread`
Android ` Forum__Create_Topic_Thread `

Epic Link

Priority

Unset

Assignee

Moin Omer Habib

Fix versions

Sprint

None

Labels

None

Story Points

1

Reporter

Mian Khalid