goldfish: update 4.4 and 4.9 kernel to 4921410 for x86_64

/google/data/ro/projects/android/fetch_artifact --bid 4921410 --target kernel 'bzImage'

this cl does not impact real devices

BUG: 73471293
BUG: 78225751

Change-Id: I9d345c9da00cf0e88d4e24372be401ca8196e90a
Signed-off-by: Weilun Du <wdu@google.com>
diff --git a/x86_64/4.4/kernel-qemu2 b/x86_64/4.4/kernel-qemu2
index 83e8726..128a513 100644
--- a/x86_64/4.4/kernel-qemu2
+++ b/x86_64/4.4/kernel-qemu2
Binary files differ
diff --git a/x86_64/4.9/kernel-qemu2 b/x86_64/4.9/kernel-qemu2
index 83e8726..128a513 100644
--- a/x86_64/4.9/kernel-qemu2
+++ b/x86_64/4.9/kernel-qemu2
Binary files differ