[Desktop] brave://flags combines Chromium version number with Brave version number

[dentistformyeye]

Description

The version number in brave://flags is incorrect.

Steps to Reproduce

1. Verify that Brave Desktop is 1.10.97 (Chromium 83.0.4103.116) in brave://version
2. Go to chrome://flags and check the version number in the top right.

Actual result:

Expected result:

Version number should be 83.0.4103.116

Reproduces how often:

Easily reproduced

Brave version (brave://version info)

Brave	1.10.97 Chromium: 83.0.4103.116 (Official Build) (64-bit)
Revision	8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{#716}
OS	macOS Version 10.15.4 (Build 19E266)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes.
• Can you reproduce this issue with the beta channel? Haven't tried.
• Can you reproduce this issue with the dev channel? Haven't tried.
• Can you reproduce this issue with the nightly channel? Haven't tried.

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? N/A
• Does the issue resolve itself when disabling Brave Rewards? N/A
• Is the issue reproducible on the latest version of Chrome? N/A

Miscellaneous Information:

The same thing happens in Android. #10629

[srirambv]

Same as mentioned in #10629 (comment)