Merge from widevine of http://go/wvgerrit/17178
These are the OEMCrypto Level 3 libraries, built using a stable
version of GCC and build tools on nyc-dev. Code changes are just
merged from master. Aside from build tool updates, the CL contains a
fix for b/26567162.
Current version (as printed by oemcrypto/level3/print-version-strings):
level3/arm/libwvlevel3.a Level3 Library 4445 Mar 17 2016 14:11:16
level3/x86/libwvlevel3.a Level3 Library 4464 Mar 17 2016 13:14:40
level3/mips/libwvlevel3.a Level3 Library 4465 Mar 17 2016 11:34:50
bug: 26917438
bug: 26567162
Change-Id: I07d526f28e61c5a9b66fa59b78041a93a99dc8e6