Update to GeckoView Release 85.0.20210204182252 on releases/72.0 (moz…

…illa-mobile#9630)

* Update GeckoView (Release) to 85.0.20210204182252.

* Set version.txt to 72.0.8.

* Set version to 72.0.8.

Co-authored-by: MickeyMoz <[email protected]>

Update to GeckoView Beta 86.0.20210204185843 on releases/72.0 (mozill…

…a-mobile#9629)

* Update GeckoView (Beta) to 86.0.20210204185843.

* Set version.txt to 72.0.7.

* Set version to 72.0.7.

Co-authored-by: MickeyMoz <[email protected]>

Set version to 70.0.19.

Set version to 72.0.6.

Set version to 72.0.5.

Set version to 72.0.4.

Set version to 72.0.3.

Set version to 72.0.2.

Set version to 70.0.18.

Set version to 70.0.17.