Update location of prebuilt kernel path

Change-Id: I79a7df03c042759d761409fcdd6bfa1eb231e1d3
diff --git a/arm/rebuild.sh b/arm/rebuild.sh
index 6ddc894..2e3b80b 100755
--- a/arm/rebuild.sh
+++ b/arm/rebuild.sh
@@ -100,7 +100,7 @@
 ###
 
 # Location of prebuilt kernel images relative to Android top-level
-PREBUILT_KERNEL_DIR="prebuilt/android-arm/kernel"
+PREBUILT_KERNEL_DIR="prebuilts/qemu-kernel/arm"
 
 # Look for top-level Android build source tree if not in environment