Fix SSLCertificateSocketFactory.getDefaultCipherSuites.

The method was returning all supported cipher suites instead of the
default ones only. The default list of cipher suites actually used by
sockets created by this factory is not affected by this issue.

PS2: Rebased

Change-Id: I2e4d7c6547fcb29ff7a0943bc8791706cc8d22bc
Merge pull request #23 from PAC-man/cm-10.2

Fix SSLCertificateSocketFactory.getDefaultCipherSuites.