Reject Multiple seq_hdr With Different Dimensions

If the decoder gets multiple sequence headers and there is a change in
resolution in the second header (after a reset call), the decoder will now
return an error.

Bug: 65717533
Test: poc before/after on mnc-dev/hammerhead
Change-Id: I4cb9a5f945fc1150f8ae0714bae4a87b07f0945f
(cherry picked from commit 60c4d957db5e18da39ec943f15171547b53305d6)