Merge from widevine repo of http://go/wvgerrit/17393
This CL changes the installation directory for oemcrypto reference
code. In particular, it uses the new build rules to specifies the library
should go in /vendor/lib instead of /system/lib or /vendor/lib64.
This library should not be used on a production device.
b/26425759
Change-Id: I3a58d0d1ddeb5601b0f2f97cc87c2d4a2a41f0d8
c42f1e9372