Add do not ask again checkbox on crash report prompt

[rebron]

Description

Add and support a do not ask again checkbox/setting for the crash report dialog.

No additional UI or setting for users to show the prompt again is needed; users can go to brave://settings/privacy to toggle sending crash reports.

Steps to Reproduce

1. On clean profile/release channel, force crash and notice crash prompt setting on restart. brave://inducebrowsercrashforrealz/
2. No Do not show again checkbox
3. For testers, note that crash report prompt is on by default for beta and nightly.

Actual result:

Expected result:

Reproduces how often:

n/a

Brave version (brave://version info)

n/a

Version/Channel Information:

• Can you reproduce this issue with the current release? yes
• Can you reproduce this issue with the beta channel? no, crash report prompt is on by default
• Can you reproduce this issue with the nightly channel? no, crash report prompt is on by default

Other Additional Information:

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

Miscellaneous Information:

[User198263321]

You are able to reproduce this in non-stable branches if you manually opt-out out of sending crash reports

[stephendonner]

Verified PASSED using

Brave	1.31.47 Chromium: 94.0.4606.50 (Official Build) nightly (x86_64)
Revision	0c1ac2c4842a4746c27c937c1a0453f98da1a972-refs/branch-heads/4606@{#1049}
OS	macOS Version 11.6 (Build 20G165)

Steps:

1. clean profile
2. launched Brave and disabled crash reporting from brave://settings/privacy and re-launched
3. loaded brave://inducebrowsercrashforrealz/ and crashed
4. re-launched and checked the crash-permission/ask dialog is launched
5. checked Don't ask again checkbox and clicked Block
6. shut down Brave
7. re-launched to save preferences
8. loaded brave://inducebrowsercrashforrealz/ again
9. re-launched and check crash permission ask dialog is not launched
10. confirmed that Help improve Brave's features and performance was disabled/off

example	example	example	example

---

Verified PASSED using

Brave	1.31.64 Chromium: 94.0.4606.61 (Official Build) beta (64-bit)
Revision	418b78f5838ed0b1c69bb4e51ea0252171854915-refs/branch-heads/4606@{#1204}
OS	Linux

Steps:

1. clean profile
2. launched Brave and disabled crash reporting from brave://settings/privacy and re-launched
3. loaded brave://inducebrowsercrashforrealz/ and crashed
4. re-launched and checked the crash-permission/ask dialog is launched
5. checked Don't ask again checkbox and clicked Block
6. shut down Brave
7. re-launched to save preferences
8. loaded brave://inducebrowsercrashforrealz/ again
9. re-launched and check crash permission ask dialog is not launched
10. confirmed that Help improve Brave's features and performance was disabled/off

example	example	example	example

---

Verification passed on

Brave | 1.31.66 Chromium: 94.0.4606.61 (Official Build) beta (64-bit)
-- | --
Revision | 418b78f5838ed0b1c69bb4e51ea0252171854915-refs/branch-heads/4606@{#1204}
OS | Windows 10 Version 21H1 (Build 19043.1237)

Steps:

1. clean profile
2. launched Brave and disabled crash reporting from brave://settings/privacy and re-launched
3. loaded brave://inducebrowsercrashforrealz/ and crashed
4. re-launched and checked the crash-permission/ask dialog is launched
5. checked Don't ask again checkbox and clicked Block
6. shut down Brave
7. re-launched to save preferences
8. loaded brave://inducebrowsercrashforrealz/ again
9. re-launched and check crash permission ask dialog is not launched
10. confirmed that Help improve Brave's features and performance was disabled/off

example	example	example	example

[rebron]

@stephendonner Step 5 and Step 10 don't look right. Shouldn't step 10 be off if selecting block.
cc: @simonhong

[stephendonner]

@stephendonner Step 5 and Step 10 don't look right. Shouldn't step 10 be off if selecting block.
cc: @simonhong

Fixed; sorry!