[RNmobile] Upgrade to RN 0.61.5 (#19369)

* `focusable` replaced `clickable

See facebook/react-native#25274

* Provide a native colors.native.scss

* Upgrade React Native version in Gutenberg web repo

* Jest doesn't have hasteImplModulePath anymore

* Work around other regressions. Will revert when those fixed

* Bump react-native version to 0.61.5

* Update babel-jest to try fixing babel-plugin-jest-hoist jest.mock issue

* Update jest to try fixing babel-plugin-jest-hoist jest.mock issue

* Pin xmldom to older version to bypass license file ambiguity

With newer versions, the license check script doesn't recognise that the
package is dual licenced and is reporting it as incompatible.

This commit pins the package to an older version. There is no functional
difference between the two versions, see
xmldom/xmldom@v0.1.27...v0.1.30

* Revert "Provide a native colors.native.scss"

This reverts commit b05f1e4.

This shouldn't be needed anymore after
wordpress-mobile/gutenberg-mobile#1683

* Revert "Pin xmldom to older version to bypass license file ambiguity"

This reverts commit 7e3c2b5.

* Cater for lowercase OR in licenses types

Props to @pento for the solution
#19369 (comment)

* Update package-lock.json via npm v6.13.6

* Check for the same "or" format as we're splitting

Otherwise, the 'or' in `GPL-2.0-or-later` causes an infinite recursion.
See error in https://travis-ci.com/WordPress/gutenberg/jobs/278348885.

* Update package-lock.json after running run check-local-changes

* Fix package-lock.json conflicts by keeping Jest to 24.9.0, Babel to
7.8.3

* Update package-lock by running npm install