CCodec: handle color-transfer-request

Add support for MediaCodec format "color-transfer-request" to signal
HDR to SDR conversion. If supported, this will show up in the input
format.

In adding the support, tweaked color aspects handling for components
not supporting color aspects natively.

Bug: 160259947
Test: manual test with a sample plugin
Change-Id: I545e989056366184b5c142ebe70bbcd2ef80adc0