Update to v5.9 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.9

Test: Boots cuttlefish 64bit, passes 32 bit and 64 bit bionic unit tests.
Change-Id: Ib5503355b238ea75595538e63eb000c867d06ef7
diff --git a/libc/kernel/uapi/linux/v4l2-controls.h b/libc/kernel/uapi/linux/v4l2-controls.h
index d060744..7f965a3 100644
--- a/libc/kernel/uapi/linux/v4l2-controls.h
+++ b/libc/kernel/uapi/linux/v4l2-controls.h
@@ -278,6 +278,7 @@
 enum v4l2_mpeg_video_bitrate_mode {
   V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
   V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
+  V4L2_MPEG_VIDEO_BITRATE_MODE_CQ = 2,
 };
 #define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE + 207)
 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE + 208)
@@ -537,6 +538,23 @@
   V4L2_MPEG_VIDEO_VP9_PROFILE_2 = 2,
   V4L2_MPEG_VIDEO_VP9_PROFILE_3 = 3,
 };
+#define V4L2_CID_MPEG_VIDEO_VP9_LEVEL (V4L2_CID_MPEG_BASE + 513)
+enum v4l2_mpeg_video_vp9_level {
+  V4L2_MPEG_VIDEO_VP9_LEVEL_1_0 = 0,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_1_1 = 1,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_2_0 = 2,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_2_1 = 3,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_3_0 = 4,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_3_1 = 5,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_4_0 = 6,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_4_1 = 7,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_5_0 = 8,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_5_1 = 9,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_5_2 = 10,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_6_0 = 11,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_6_1 = 12,
+  V4L2_MPEG_VIDEO_VP9_LEVEL_6_2 = 13,
+};
 #define V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP (V4L2_CID_MPEG_BASE + 600)
 #define V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP (V4L2_CID_MPEG_BASE + 601)
 #define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP (V4L2_CID_MPEG_BASE + 602)
@@ -626,6 +644,13 @@
 #define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L6_BR (V4L2_CID_MPEG_BASE + 642)
 #define V4L2_CID_MPEG_VIDEO_REF_NUMBER_FOR_PFRAMES (V4L2_CID_MPEG_BASE + 643)
 #define V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR (V4L2_CID_MPEG_BASE + 644)
+#define V4L2_CID_MPEG_VIDEO_CONSTANT_QUALITY (V4L2_CID_MPEG_BASE + 645)
+#define V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE (V4L2_CID_MPEG_BASE + 646)
+enum v4l2_mpeg_video_frame_skip_mode {
+  V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_DISABLED = 0,
+  V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_LEVEL_LIMIT = 1,
+  V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT = 2,
+};
 #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)
 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE + 0)
 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {