Update crashdump kernel

The new kernel is built with CONFIG_DMA_RESTRICTED_POOL=y so that it can
run on protected VMs.

The prebuilt is from 9652773

Bug: 270657304
Test: do the ramdump on procted VM
Change-Id: I818780663e6c4d23ac27de59d2a5014788becb5f
diff --git a/microdroid/kdump/kernel/arm64/kernel-5.15 b/microdroid/kdump/kernel/arm64/kernel-5.15
index 0f2172b..28b0214 100644
--- a/microdroid/kdump/kernel/arm64/kernel-5.15
+++ b/microdroid/kdump/kernel/arm64/kernel-5.15
Binary files differ