Revert accidentally updated kernel

Bug: N/A
Test: N/A
Change-Id: I859507239807b00ef59c91e855455f5ff72d57c5
diff --git a/microdroid/kernel/arm64/kernel-5.15 b/microdroid/kernel/arm64/kernel-5.15
index 49b7f69..33c8c13 100644
--- a/microdroid/kernel/arm64/kernel-5.15
+++ b/microdroid/kernel/arm64/kernel-5.15
Binary files differ