entire a-c not going through due to missing delays

Description

The entire a-c amount not going through because it’s being blocked server side due to missing delays.

Example:

• received 2.5 BAT from ad grant
• received 17.5 BAT from UGP grant
• Total BAT: 20 BAT
• a-c setup as Up to 15 BAT via brave://settings

Only 8 BAT went through rather than the 15 BAT

Created issues for iOS & Android:

• iOS - https://github.com/brave/brave-ios/issues/2200
• Android - https://github.com/brave/browser-android-tabs/issues/2442

Steps to Reproduce

Case #1

• launch Brave using --enable-logging=stderr --rewards=staging=true,reconcile-interval=5
• set Monthly Payment to 10 BAT (should be already selected as the default)
• accept the UGP grant
• spend ~1.5mins on https://duckduckgo.com/ and ensure it’s being displayed in the a-c table
• spend ~1.5mins on https://laurenwags.github.io/ and ensure it’s being displayed in the a-c table
• spend ~1.5mins on https://yachtcaptain23.github.io and ensure it’s being displayed in the a-c table
• ensure that a-c goes through and the correct amount is deducted from the total
• ensured that the correct amount of BAT has been deducted from Brave

Case #2

• https://github.com/brave/brave-browser/issues/7709#issuecomment-573787104

Actual result:

Using UGP without any ad grants:

Using UGP without any ad grants:

Expected result:

If the user has the required funds, the entire a-c should go through.

Reproduces how often:

100% reproducible using the above STR.

Brave version (brave://version info)

Brave	1.5.27 Chromium: 79.0.3945.117 (Official Build) nightly (64-bit)
Revision	04f0a055010adab4484f7497fbfdbf312c307f1d-refs/branch-heads/3945@{#1019}
OS	macOS Version 10.15.2 (Build 19C57

Brave	1.3.89 Chromium: 79.0.3945.117 (Official Build) beta (64-bit)
Revision	04f0a055010adab4484f7497fbfdbf312c307f1d-refs/branch-heads/3945@{#1019}
OS	macOS Version 10.15.2 (Build 19C57)

Version/Channel Information:

• Can you reproduce this issue with the current release? Couldn't reproduce with 1.2.42 CR: 79.0.3945.117
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the dev channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? N/A
• Does the issue resolve itself when disabling Brave Rewards? N/A
• Is the issue reproducible on the latest version of Chrome? N/A

Miscellaneous Information:

CCing @brave/legacy_qa @evq @NejcZdovc @rebron @mandar-brave

[NejcZdovc]

could be this issue https://github.com/brave/brave-browser/issues/7526?

[NejcZdovc]

@LaurenWags if I understand correctly just UI is not updated, but everything else works as expected?