Fix alias name for HmacSHA224.
Fix alias name for HmacSHA224.

Name was off by one.

(cherry picked from commit abdd12276a5a9481e4c377820d5976c6dfe008e0)

Test: make -j 32
Bug: 31114355
Change-Id: Ia2ffa15b626dd057f34a5c51f4fbc67876813f6d

google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt