Update Brave profile icons

[karenkliu]

Test plan

See brave/brave-core#3771

Description

Update our current not-scalable solid color Brave profile icons with new pattern/color ones.

Designs

These are the new ones:

Assets

profile-icons-names.txt
assets.zip

[LaurenWags]

Verified passed with

Brave	0.70.121 Chromium: 78.0.3904.70 (Official Build) (64-bit)
Revision	edb9c9f3de0247fd912a77b7f6cae7447f6d3ad5-refs/branch-heads/3904@{#800}
OS	macOS Version 10.13.6 (Build 17G5019)

• Verified test plan from A new avatar icon set brave-core#3771
• Confirmed only new icons are displayed when choosing a new profile avatar in Settings

• Confirmed all 35 icons are selectable (including the default).
• Confirmed when a 2nd profile is created after a fresh user data directory is used, the first profile uses the new default icon (the first icon in set above). Subsequent profiles uses random other icons in set.

• Confirmed when a user data directory from the previous Brave browser version is used which has multiple profiles with brave avatar icons selected, those profiles still maintain their existing icon.
  Set up in 0.69.135:

After upgrade to 0.70.121:

• Confirmed if upgrading from a version with Brave custom icons (0.70.120) to a version with new icon set from above, no error or blank avatars were observed. Old Brave custom icons were replaced with new icons from above set.
  0.70.120:

0.70.121:

Verification passed on

Brave	0.70.121 Chromium: 78.0.3904.70 (Official Build) (64-bit)
Revision	edb9c9f3de0247fd912a77b7f6cae7447f6d3ad5-refs/branch-heads/3904@{#800}
OS	Ubuntu 18.04 LTS

• Verified test plan from A new avatar icon set brave-core#3771

• Verified when upgrading from 0.69.x: placeholder image is changed, but previously selected images are not
  
  

• Verified only new icons are displayed when choosing a new profile avatar in Settings
  

• Verified only new icons are displayed in Manage Profiles popup
  

• Verified all 35 icons are selectable (including the default).

• Verified subsequent profiles uses random other icons in set.

• Verified when upgrading from 0.70.120: placeholder image is changed to new icons
  
  

Verification passed on

Brave	0.70.121 Chromium: 78.0.3904.70 (Official Build) (64-bit)
Revision	edb9c9f3de0247fd912a77b7f6cae7447f6d3ad5-refs/branch-heads/3904@{#800}
OS	Windows 10 OS Version 1803 (Build 17134.1006)

• Verified test plan from A new avatar icon set brave-core#3771

• Confirmed only new icons are displayed when choosing a new profile avatar in Settings

• Confirmed all 35 icons are selectable (including the default).

• Confirmed when a 2nd profile is created after a fresh user data directory is used, the first profile uses the new default icon (the first icon in set above). Subsequent profiles uses random other icons in set.

• Confirmed when a user data directory from the previous Brave browser version is used which has multiple profiles with brave avatar icons selected, those profiles still maintain their existing icon.
  Set up in 0.69.135:

After upgrade to 0.70.121:

• Confirmed if upgrading from a version with Brave custom icons (0.70.120) to a version with new icon set from above, no error or blank avatars were observed. Old Brave custom icons were replaced with new icons from above set.
  0.70.120:

0.70.121: