hevc: update conformance streams

New streams: LTRPSPS_A_Qualcomm_1, SLPPLP_A_VIDYO_1, VPSID_A_VIDYO_1
Updated streams: EXT_A_ericsson_4, NUT_A_ericsson_5, RPS_C_ericsson_5,
  RPS_D_ericsson_6

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Conflicts:
	tests/fate/hevc.mak
avcodec/hevc: remove unused variables

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/hevc: Simplify get_qPy_pred()

Fixes use of uninitialized memory
Fixes:
93728afd9aa074ba14a09bfd93a632fd-asan_static-oob_124a17d_1445_cov_1021181966_DBLK_D_VIXS_1.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Conflicts:
	libavcodec/hevc.c
	libavcodec/hevc.h