Whitelist a bunch of url protocols.

Our url whitelisting is just to reject unsafe protocols like javascript:.
We have no reason to reject a bunch of urls to open standardized schemes.

Whitelist a bunch of them:
ftps, ssh, sftp, xmpp, sip, sips, tel, sms, bitcoin, magnet, urn, and geo.

Change-Id: I941190203ee1442d912d46144584bf2e7733f32c
Merge "Whitelist a bunch of url protocols."