media_module: h264 show mosaic picture when resolution change [1/1]

media_module: h264 show mosaic picture when resolution change [1/1]

PD#SWPL-26883

Problem:
When the dpb buffer reset immediately
after the resolution change, When switch
a bigger resolution, but the buffer size
used the small buffer, causing this problems.

Solution:
Optimize the dpb buffer reset logic
to use the correct buffer.

Verify:
U215

Change-Id: Ia567867f955ce24f619bd9de999c978e87bc8bac
Signed-off-by: Peng Yixin <yixin.peng@amlogic.com>