Revert "kill libsurfaceflinger_client"

This reverts commit 415a2a54a6071564bd261dcf51f25962a515e669.

Herp derp and a bottle of rum.
kill empty libsurfaceflinger_client

Change-Id: If3a545e4b4cdb549534c286e33c72dbae3ba791e
Merge branch 'cm-12.0' of git://github.com/OpenDesireProject/android_device_htc_msm7x30-common into cm-12.0