Filter out Doubleclick's tracking parameter from the query string

[fmarier]

Test plan

See brave/brave-core#5633 (comment)

Description

Google Display Ads uses a dclid query string parameter to tie ad clicks to individual users and GTM will use it in the same way as gclid.

This enhanced attribution was designed to work around earlier versions of ITP.

Example (from https://va.tech.purdue.edu/webHistory/interactiveOrigin5-stackzero.php):

http://go.artinstitutes.edu/search/brand/local/PSGLC?source=BGNAG&ven=search&Tac=sem&school=chicago&Matchtype=Exact&Utm_source=Google&Utm_medium=cpc&ds_c=Brand_Natl_Geo_Exact&ds_ag=Brand_Chicago_Exact&ds_k=art+institute+of+chicago&ds_eid=700000001042009&gclid=CjwKEAjwq6m3BRCP7IfMq6Oo9gESJACRc0bN3J-fcQ1t1DO5AyuTfKIyFbgTFPfCmM2PmPXyGdrKRBoCmv3w_wcB&gclsrc=aw.ds&dclid=CNW5-P6UycsCFRYdaQodgbMCTA

[LaurenWags]

Verified passed with

Brave | 1.11.68 Chromium: 83.0.4103.106 (Official Build) dev (64-bit)
-- | --
Revision | ce7134bb3d95141cd18f1e65772a4247f282d950-refs/branch-heads/4103@{#694}
OS | macOS Version 10.14.6 (Build 18G3020)

• Verified test plan from Filter out Doubleclick's tracking query string parameter brave-core#5633

• Reproduced the issue using 1.10.93:

• Confirmed parameter is filtered out on 1.11.x:

Verification passed on

Brave | 1.11.68 Chromium: 83.0.4103.106 (Official Build) dev (64-bit)
-- | --
Revision | ce7134bb3d95141cd18f1e65772a4247f282d950-refs/branch-heads/4103@{#694}
OS | Windows 10 OS Version 1903 (Build 18362.30)

• Verified the test plan from Filter out Doubleclick's tracking query string parameter brave-core#5633

Reproduced in 1.10.x

1.11.x

---

Verified passed with

Brave	1.11.80 Chromium: 83.0.4103.116 (Official Build) dev (64-bit)
Revision	8f0c18b4dca9b6699eb629be0f51810c24fb6428-refs/branch-heads/4103@{#716}
OS	Linux

• Verified the test plan from Filter out Doubleclick's tracking query string parameter brave-core#5633
• Confirmed query string parameter from test plan is removed from URL bar