media: add AdaptivePlaybackTest suite

Initial version of the test suite, with relaxed checks on PTS and number-
of-frames-decoded (only warnings) suitable for KitKat devices.

Bug: 13363930
Change-Id: I8b49dcc21be179e4392503e9f47d952d8cd64e6b
Signed-off-by: Lajos Molnar <lajos@google.com>
4 files changed