Adds changes for mode of stream recoder

Adds changes for mode of stream recoder

It related with patch of mediastreamrecorder. (https://review.tizen.org/gerrit/#/c/platform/core/api/mediastreamrecorder/+/218535)

*Changes Recorder Mode.
:MM_STREAMRECORDER_MODE_MEDIABUFFER->MM_STREAMRECORDER_MODE_STREAM_BUFFER
:MM_STREAMRECORDER_MODE_SCREENRECORD->MM_STREAMRECORDER_MODE_DEVICE_LOOPBACK

*Changes Video source formats.
Removed
:UYVY, YUYV

changed
:BGRA8888->BGRA

*changes timestamp type
unsinged long to unsigned long long
:mm_streamrecorder_push_stream_buffer
:mm_streamrecorder_push_video_packet

*Divides gst_set_videosrcpad_caps.
: gst_set_videosrcpad_caps_sw
: gst_set_videosrcpad_caps_hw

*Adds Enums for MM_STREAMRECORDER_MODE_DEVICE_LOOPBACK
:_MMSTREAMRECORDER_ELELMENT enum structure.

Refers patch for Other minor changes.

Change-Id: Iee498d750b0bf1c56a7117aa08656a7a2395afb4
Signed-off-by: Hyunsoo Park <hance.park@samsung.com>