Phone model leaking with navigator

[ghost]

Description

Users phone model leaks with javascript navigator

Steps to Reproduce

1. Go to https://abrahamjuliot.github.io/creepjs/
2. Scroll dowm
3. See your phone model being shown

Actual result:

Expected result:

The results should be faked, or brave should disable the feature by default

Reproduces how often:

Easily reproduced

Desktop Brave version:

Android Device details:

• Install type (ARM, x86): arm
• Device type (Phone, Tablet, Phablet): phone
• Android version: 10

Version/Channel Information:

Every brave versions and channels seems to have this issue

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? No
• Does the issue resolve itself when disabling Brave Rewards? No
• Is the issue reproducible on the latest version of Chrome? Yes, but chrome dose not aim for hiding users phone model

Miscellaneous Information:

[diracdeltas]

cc @pes10k - i know we discussed removing phone model in android UA but not sure if we actually did it

[pes10k]

Yea, @pilgrim-brave did, back in brave/brave-core#8320 and brave/brave-core#8562 . I don't have an android device to test with. @pilgrim-brave could you take a look tomorrow when you're online?

[srirambv]

Verification passed on the following devices running 1.35.101 x64 build

• Verified steps from issue description
• Verified phone model is not shown

Oppo Reno 5 (Android 11)	Samsung Tab A (Android 10)
20499-Android.ARM.mp4	20499-Android.Tab.mp4