v4l: fixed the issue of timestamp with the first frame. [1/1]

v4l: fixed the issue of timestamp with the first frame. [1/1]

PD#SWPL-27740

Problem:
wrong of timestamp with the first frame.

Solution:
the first frame timestamp has not taken into consideration before
therefore caused lost time information on the frame, so must be
pass the timestamp into decoder.

Android P,Q share CL.

Verify:
u212

Change-Id: I79e3f1fa5be6456af024806dd46cdb8dfd3eba42
Signed-off-by: Nanxin Qin <nanxin.qin@amlogic.com>