Update to v5.14 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.14

Test: Builds, bionic unit tests.
Change-Id: Iff3424da9fbf7ae89ebeb6daabb34c4aa650901f
diff --git a/libc/kernel/uapi/linux/videodev2.h b/libc/kernel/uapi/linux/videodev2.h
index 793822e..8e856ac 100644
--- a/libc/kernel/uapi/linux/videodev2.h
+++ b/libc/kernel/uapi/linux/videodev2.h
@@ -891,6 +891,9 @@
     struct v4l2_ctrl_h264_decode_params __user * p_h264_decode_params;
     struct v4l2_ctrl_fwht_params __user * p_fwht_params;
     struct v4l2_ctrl_vp8_frame __user * p_vp8_frame;
+    struct v4l2_ctrl_mpeg2_sequence __user * p_mpeg2_sequence;
+    struct v4l2_ctrl_mpeg2_picture __user * p_mpeg2_picture;
+    struct v4l2_ctrl_mpeg2_quantisation __user * p_mpeg2_quantisation;
     void __user * ptr;
   };
 } __attribute__((packed));
@@ -938,6 +941,9 @@
   V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
   V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
   V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
+  V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
+  V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
+  V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
 };
 struct v4l2_queryctrl {
   __u32 id;