Brave Shields blocked-count tooltip should be multi-line

[stephendonner]

Description

Brave Shields blocked-count tooltip should be multi-line

Steps to Reproduce

1. new profile
2. launch Brave
3. load cnn.com
4. hover over the Shields icon
5. read the tooltip

Actual result:

Tooltip text is a single line; see below

Expected result:

It should be a multi-line tooltip, per #17369 (comment)

Reproduces how often:

100%

Brave version (brave://version info)

Brave	1.39.10 Chromium: 100.0.4896.46 (Official Build) nightly (x86_64)
Revision	5ca33821b2211805855c77d334353d27c616a7ca-refs/branch-heads/4896@{#584}
OS	macOS Version 11.6.5 (Build 20G527)

cc @jenn-rhim @nullhook

[stephendonner]

Verified PASSED using

Brave	1.39.18 Chromium: 100.0.4896.60 (Official Build) nightly (x86_64)
Revision	6a5d10861ce8de5fce22564658033b43cb7de047-refs/branch-heads/4896@{#875}
OS	macOS Version 11.6.5 (Build 20G527)

[MadhaviSeelam]

Verification PASSED using

Brave	1.39.83 Chromium: 101.0.4951.41 (Official Build) beta (64-bit)
Revision	93c720db8323b3ec10d056025ab95c23a31997c9-refs/branch-heads/4951@{#904}
OS	Windows 11 Version 21H2 (Build 22000.613)

Verified Brave Shields blocked-count tooltip is multi-line

• Installed 1.39.83
• Launch Brave
• Load cnn.com
• Hover over the Shields icon
• Tooltip displayed multi-line