Move file utility classes and functions from testing/test_util to common/file_util, and make them part of libwebm. Change-Id: If5b25a63b20efacc16b0fecaa8876ade4ecc4b26
Just the basics: - Some new test utilities. - Basic setup for webm2pes testing. Change-Id: I16bf0f5ef36e7c01f2788b2c92600d6a936bbd40
Add basic mux/parse tests and test data. Change-Id: I3bef014f32ad4898d23bca792fb3fe275fe4e7c9