video stub server changes for hls

TNL-6543

test_root/data/video/hls/history.m3u8

@@ -0,0 +1,11 @@
+#EXTM3U
+#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=264787,RESOLUTION=1280x720
+history_264kbit/history_264kbit.m3u8
+#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=328415,RESOLUTION=1920x1080
+history_328kbit/history_328kbit.m3u8
+#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=70750,RESOLUTION=640x360
+history_70kbit/history_70kbit.m3u8
+#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=148269,RESOLUTION=960x540
+history_148kbit/history_148kbit.m3u8
+#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=41276,RESOLUTION=640x360
+history_41kbit/history_41kbit.m3u8

test_root/data/video/hls/history_148kbit/history_148kbit.m3u8

@@ -0,0 +1,7 @@
+#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:11
+#EXT-X-MEDIA-SEQUENCE:0
+#EXTINF:9.576244,
+XXXXXXXXT114-V015600_2_0.ts
+#EXT-X-ENDLIST

test_root/data/video/hls/history_264kbit/history_264kbit.m3u8

@@ -0,0 +1,7 @@
+#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:11
+#EXT-X-MEDIA-SEQUENCE:0
+#EXTINF:9.576244,
+XXXXXXXXT114-V015600_1_0.ts
+#EXT-X-ENDLIST

test_root/data/video/hls/history_328kbit/history_328kbit.m3u8

@@ -0,0 +1,7 @@
+#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:11
+#EXT-X-MEDIA-SEQUENCE:0
+#EXTINF:9.576244,
+XXXXXXXXT114-V015600_0_0.ts
+#EXT-X-ENDLIST

test_root/data/video/hls/history_41kbit/history_41kbit.m3u8

@@ -0,0 +1,7 @@
+#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:11
+#EXT-X-MEDIA-SEQUENCE:0
+#EXTINF:9.609611,
+XXXXXXXXT114-V015600_4_0.ts
+#EXT-X-ENDLIST

test_root/data/video/hls/history_70kbit/history_70kbit.m3u8

@@ -0,0 +1,7 @@
+#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:11
+#EXT-X-MEDIA-SEQUENCE:0
+#EXTINF:9.609611,
+XXXXXXXXT114-V015600_3_0.ts
+#EXT-X-ENDLIST