Replace ECDHE-PSK SHA-2 cipher suites with SHA-1 ones.

The SHA-2 based cipher suites cannot be used with SSLv3 but there is
no way to express that in OpenSSL's configuration. This CL thus
replaces the SHA-2 cipher suites with SHA-1 ones.

Bug: 15073623
Change-Id: I427c99f4c1c72690d95e5a3c63763631c41ddae2
5 files changed