Stablecoins are not reflected in total account value [Binance Widget]

[ryanml]

Description

Stablecoins such as BUSD and USDT are not accounted for in the total account USD/BTC value.

Steps to Reproduce

1. Have a mixture of assets in your binance.com account plus BUSD/USDT
2. Connect to the Binance Widget
3. Unobscure the account values

Actual result:

BUSD/USDT are not accounted for the in the total account value (First summary entry)

Expected result:

The values of those assets should be factored in to the total, in both BTC and USD

Reproduces how often:

100%

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release?
• Can you reproduce this issue with the beta channel?
• Can you reproduce this issue with the dev channel?
• Can you reproduce this issue with the nightly channel?

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:

[srirambv]

Verification passed on

Brave	1.8.95 Chromium: 81.0.4044.138 (Official Build) (64-bit)
Revision	8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{# 999}
OS	Linux

• Verified on 1.8.90 stablecoins are not part of the total balance
• Verified upgrading from 1.8.90 to 1.8.95, automatically updates balance to include stablecoin
• Verified on a clean install, widget balance shows cumulative balance of all available assets
• Verified on upgrade clicking on refresh button immediately updates the balance to include stablecoin

---

Verification passed on

Brave	1.8.95 Chromium: 81.0.4044.138 (Official Build) (64-bit)
Revision	8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{# 999}
OS	macOS Version 10.15.4 (Build 19E287)

• Verified on 1.8.90 stablecoins are not part of the total balance
• Verified upgrading from 1.8.90 to 1.8.95, automatically updates balance to include stablecoin
• Verified on a clean install, widget balance shows cumulative balance of all available assets
• Verified on upgrade clicking on refresh button immediately updates the balance to include stablecoin

---

Verification passed on

Brave	1.8.95 Chromium: 81.0.4044.138 (Official Build) (64-bit)
Revision	8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{# 999}
OS	Windows 10 OS Version 1809 (Build 17763.1158)

• Verified on 1.8.90 stablecoins are not part of the total balance
• Verified upgrading from 1.8.90 to 1.8.95, automatically updates balance to include stablecoin
• Verified on a clean install, widget balance shows cumulative balance of all available assets
• Verified on upgrade clicking on refresh button immediately updates the balance to include stablecoin

[LaurenWags]

Adding release-notes/include per discussion with @srirambv