mediav2 CTS: Update encoder hdr info test basing on documentation "hdr10-plus-info" is expected to be present in the formats of output buffers of only VP9 encoder(s) configured for an HDR10+ profiles. Bug: 296322084 Bug: 296353048 Test: atest android.mediav2.cts.EncoderHDRInfoTest Change-Id: Ib472e063624d29e4c2ee55f6e1e5d83abb4bf053