This is a merge of the following CLs: Style clean up in oemcrypto/mock https://widevine-internal-review.googlesource.com/#/c/10660 Split off default keybox. https://widevine-internal-review.googlesource.com/#/c/10661/ Split off several properties from CryptoEngine. https://widevine-internal-review.googlesource.com/#/c/10662/ Split off Keybox installation. https://widevine-internal-review.googlesource.com/#/c/10680/ Wii-U build compatibility fixes. https://widevine-internal-review.googlesource.com/#/c/10720/ Fix style issues in oemcrypto_logging_test. https://widevine-internal-review.googlesource.com/#/c/10824/ Correct OEMCrypto error codes in the mock. https://widevine-internal-review.googlesource.com/#/c/10821/ Enable logging during OEMCrypto unit tests. https://widevine-internal-review.googlesource.com/#/c/10833/ Wait to create usage table path until needed. https://widevine-internal-review.googlesource.com/#/c/10831/ Allow keybox installation to be unimplemented. https://widevine-internal-review.googlesource.com/#/c/10850/ Minor clean up in the OEMCrypto header. https://widevine-internal-review.googlesource.com/#/c/10921/ Add usage table device property to the mock oemcrypto https://widevine-internal-review.googlesource.com/#/c/11092/ Change-Id: I02a818a620bcd4bd2291f1b3c0ac9308ae444319