[PM-17629] Split up KM lib to km and km-ui #36070

Job	Run time
Check PR run / Check	2s
Setup	6s
Locales Test	8s
Build browser source	14s
Build Safari	13m 52s
Build (chrome, dist:chrome, dist-chrome.zip, dist-chrome-MV3)	10m 6s
Build (edge, dist:edge, dist-edge.zip, dist-edge-MV3)	10m 47s
Build (firefox, dist:firefox, dist-firefox.zip, dist-firefox)	6m 34s
Build (firefox-mv3, dist:firefox:mv3, dist-firefox.zip, DO-NOT-USE-FOR-PROD-dist-firefox-MV3)	10m 11s
Build (opera, dist:opera, dist-opera.zip, dist-opera)	6m 50s
Build (opera-mv3, dist:opera:mv3, dist-opera.zip, DO-NOT-USE-FOR-PROD-dist-opera-MV3)	11m 30s
Crowdin Push	0s
Check for failures	24s
	1h 10m 44s

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