sdk: use 3.18 kernel

BUG: 64715817

Change-Id: Ie889c3aa111e6e4a140a745a71f02bbe65d5ec13
Merged-In: Ie889c3aa111e6e4a140a745a71f02bbe65d5ec13
diff --git a/build/sdk-android-x86.atree b/build/sdk-android-x86.atree
index 46d05f5..43d85c7 100644
--- a/build/sdk-android-x86.atree
+++ b/build/sdk-android-x86.atree
@@ -14,8 +14,7 @@
 # limitations under the License.
 #
 
-prebuilts/qemu-kernel/${TARGET_ARCH}/kernel-qemu system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-qemu
-prebuilts/qemu-kernel/${TARGET_ARCH}/ranchu/kernel-qemu system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-ranchu
+prebuilts/qemu-kernel/${TARGET_ARCH}/3.18/kernel-qemu2 system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-ranchu
 
 # version files for the SDK updater, from development.git
 ${HOST_OUT}/development/sys-img-${TARGET_CPU_ABI}/images_${TARGET_ARCH}_source.properties system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/source.properties
diff --git a/build/sdk-android-x86_64.atree b/build/sdk-android-x86_64.atree
index b9867d8..577d95b 100644
--- a/build/sdk-android-x86_64.atree
+++ b/build/sdk-android-x86_64.atree
@@ -14,8 +14,7 @@
 # limitations under the License.
 #
 
-prebuilts/qemu-kernel/${TARGET_ARCH}/kernel-qemu system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-qemu
-prebuilts/qemu-kernel/${TARGET_ARCH}/ranchu/kernel-qemu system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-ranchu
+prebuilts/qemu-kernel/${TARGET_ARCH}/3.18/kernel-qemu2 system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/kernel-ranchu
 
 # version files for the SDK updater, from development.git
 ${HOST_OUT}/development/sys-img-${TARGET_CPU_ABI}/images_${TARGET_ARCH}_source.properties system-images/${PLATFORM_NAME}/${TARGET_CPU_ABI}/source.properties