New tab page should match fonts/typography from browser-laptop new tab page

[davidtemkin]

Current new tab page typography does not match browser-laptop.

Steps to Reproduce

Create a new tab.

Actual result:

Font used appears to be Helvetica or Arial.

Expected result:

New tab page should match fonts/sizes/spacing used in browser-laptop (packaged/embedded font, I believe Poppins).

Reproduces how often:

100%

Brave version (about:brave info)

Version 0.55.2 Chromium: 70.0.3528.4 (Official Build) dev (64-bit)

Reproducible on current release:

No

[srirambv]

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	Linux

• Verified all points mentioned in NTP Refinement brave-core#1091
• Found NTP images are stretched out but shows full image when dev tools are opened #3380 while verifying the issue

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

Used test plan from brave/brave-core#1091

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

• Verified items from NTP Refinement brave-core#1091