Merge from Widevine repo of http://go/wvgerrit/26780
and http://go/wvgerrit/26740
Previously, in oemcrypto level 3, a session's current key's duration
was not updated until the next call to SelectKey. This caused
problems with license that only used one key. This CL fixes that.
arm64/libwvlevel3.a Level3 Library 7283 May 2 2017 13:16:21
arm/libwvlevel3.a Level3 Library 4445 May 2 2017 11:49:34
x86_64/libwvlevel3.a Level3 Library 7284 May 2 2017 12:09:21
x86/libwvlevel3.a Level3 Library 4464 May 2 2017 11:53:46
Test: unit tests run on emulator.
b/37481239
b/37523523
Change-Id: Ife90a3358b6620c8fb81324ec2331d3775a38191