No, per the linked check-in, the Egyptian govt would have to block OWSCensorshipConfigurationFrontingHost, which is "https://google.com". That is the domain looked up in DNS and included in the TLS Certificate's SNI field. These are the only domains that are sent plain-text.
"signal-reflector-meek.appspot.com" domain only shows up in the HTTP "Host" header, which is TLS encrypted, and thus not visible to the censors.
There's a pretty good write up I found here:
https://trac.torproject.org/projects/tor/wiki/doc/meek
commit for the ios version is here:
https://github.com/WhisperSystems/SignalServiceKit/commit/78...