CCodec: add missing use of input stream usage

Add the component's input stream usage flags to two input buffer
allocation sites where it was missing.

Bug: 194634369, Bug: 194634017
Test: MediaDrmClearkeyTest#testClearKeyPlaybackCenc on ARCVM w/5.10
Test: DashTest#testWidevine23FpsH264Fixed on ARCVM w/5.10
Change-Id: Idc1817789d472b75f2872c5c269efc1264d05b1b