MVK: update libvlc to fix HEVC HW decoding for some TS media

buildMobileVLCKit.sh

@@ -22,7 +22,7 @@ OSVERSIONMINLDFLAG=ios_version_min
 ROOT_DIR=empty
 FARCH="all"
 
-TESTEDHASH=50e1f071
+TESTEDHASH=acadd3b9
 
 if [ -z "$MAKE_JOBS" ]; then
     CORE_COUNT=`sysctl -n machdep.cpu.core_count`