Ad notifications sometimes presented to user when Ads toggle is off

[LaurenWags]

Description

Sometimes when Ads is off, users are still being presented with Ads.

Steps to Reproduce

NOTE: these steps are in progress and not 100% confirmed

1. Have a Dev profile with Rewards enabled (note, Ads is not enabled) on 0.60.9.
2. Update to 0.60.13.
3. Navigate to brave://rewards
4. Verify Ads are not shown as enabled.
5. Browse normally.

Actual result:

You may be presented with an Ad.

Expected result:

No Ads since you did not manually enable with 0.60.13.

Reproduces how often:

unsure

Brave version (brave://version info)

Brave	0.60.13 Chromium: 72.0.3626.53 (Official Build) dev(64-bit)
Revision	98434e6cd182d68ce396daa92e9c6310422e6763-refs/branch-heads/3626@{#620}
OS	Mac OS X

Reproducible on current release:

• Does it reproduce on brave-browser dev/beta builds? saw on Dev

Website problems only:

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

Additional Information

cc @mandar-brave @jsecretan @mrose17

[GeetaSarvadnya]

1+https://community.brave.com/t/ads-notifications-in-brave-dev/42613

[kjozwiak]

@ryanml this has been merged into 0.60.x via brave/brave-core#1353 correct? Changing the milestone from 1.x Backlog --> 0.60.x. Please let me know if that's not the case 👍

[LaurenWags]

Verified passed with

Brave	0.60.28 Chromium: 72.0.3626.96 (Official Build) beta(64-bit)
Revision	84098ee7ef8622a9defc2ef043cd8930b617b10e-refs/branch-heads/3626@{#836}
OS	Mac OS X

• Launched Brave with /Applications/Brave\ Browser\ Beta.app/Contents/MacOS/Brave\ Browser\ Beta --enable-logging=stderr --vmodule=brave_ads=3 --log-level=0. Verified when Rewards were ON and Ads were ON, there were AdsService Event Log messages in terminal. Verified when Rewards (as a whole) were OFF, there were no AdsService Event Log messages in terminal. Verified when Rewards were ON and Ads were OFF, there were no AdsService Event Log messages in terminal. Verified when Ads were ON, some Ad notifications were displayed to me as expected. I have not experienced Ad notifications when Rewards and/or Ads were toggled OFF.

Verification passed on

Brave	0.60.29 Chromium: 72.0.3626.96 (Official Build) beta (64-bit)
Revision	84098ee7ef8622a9defc2ef043cd8930b617b10e-refs/branch-heads/3626@{#836}
OS	Windows 7

Tested that Ads are not shown when Ads toggle is off.
Encountered #3408 while testing.

[LaurenWags]

Logged #3408 as follow up issue