This CL is a merge of the widevine change
https://widevine-internal-review.googlesource.com/#/c/11881
The function rand() was not available on the mips build used to
generate the level 3 oemcrypto fallback library. This function has
been replaced by the openssl RAND_bytes(), so that compilation may
complete.
New version of library:
libwvdrmengine/level3/mips/libwvlevel3.a NONOB Level3 Library Dec 3 2014 17:11:00
bug: 17288466
Change-Id: Ibe2ae3add4f5830ddc1cce501d76aeb4be5ce926
cb9360fb65