C2OMXNode: read delay from component to determine buffer count

Bug: 169398817
Test: atest CtsMediaTestCases -- --module-arg CtsMediaTestCases:size:small
Test: atest CtsMediaTestCases:VideoEncoderTest
Change-Id: I76a3411addd83108d2da2c8f74df55acab03a365
1 file changed