Android bookmarks moved inside a folder doesn't sync well with desktop

Description

Android bookmarks moved inside a folder doesn’t sync well with desktop

Devices

Sync device 1 - Ubuntu running 0.59.14 _ Sync chain creator Sync device 2 - Samsung Tab running 1.0.72(sync 2) build

Steps to Reproduce

1. Enable sync on a clean profile(0.59.14)
2. Import a bookmark html file
3. Scan QR code using Android build running 1.0.72
4. Wait for the sync process to start on Android
5. Rename Imported folder to Imported HTML on Android (doesnt matter how many bookmarks are sync’d), folder gets renamed on both devices
6. Add 3-4 bookmarks on Android and move them into a folder created on Android itself
7. Wait till the sync process is complete, some bookmarks from Android remain on bc toolbar (see screenshots)

Actual result:

Expected result:

All bookmarks moved inside a folder on Android should have the same folder structure post sync on desktop browser

Reproduces how often:

I was able to reproduce this 3 times but not with the same bookmarks on the root folder

Brave version (brave://version info)

Brave	0.59.14 Chromium: 72.0.3626.28 (Official Build) beta(64-bit)
Revision	997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS	Linux

Reproducible on current release:

• Does it reproduce on brave-browser dev/beta builds? Yes on beta

Website problems only:

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

Additional Information

cc: @brave/legacy_qa @darkdh @AlexeyBarabash
Follow up to #2447

[srirambv]

@AlexeyBarabash the step is to add 3 bookmarks on Android at root folder and then create a new Bookmark folder and then move those bookmarks into it.

[AlexeyBarabash]

bookmarks_big_folder_.html.zip the html for import I had used for ~5000 bookmarks