Allow in Private is enabled by default for Google Hangout extension

[srirambv]

Description

Similar to #13279, Allow in Private is enabled by default for Google Hangout extension. brave/brave-core#7579 which fixes #13506 to disable Allow in private for CW/Greaselion should also be applicable to Google hangouts extension

Steps to Reproduce

1. Follow steps from [Security] Crypto Wallet/Greaselion should not be allowed to run on Private/Tor windows by default #13506 except look for Google Hangouts

Actual result:

Expected result:

Allow in private should be disabled by default

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.20.76 Chromium: 88.0.4324.79 (Official Build) nightly (64-bit)
Revision	bd1e9353659b2491dac971226a973ca3b5684a14-refs/branch-heads/4324@{#1520}
OS	Linux

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

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

Miscellaneous Information:

cc: @darkdh

[rebron]

cc: @darkdh Can you take a look at this one when you get a chance?