hammerhead: label boot block device

Bug: 19534538
Change-Id: Ie8f8805ae1cec2db24b9b2dcc3fcaccc2b016bdc
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index be1b318..547b121 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -31,6 +31,7 @@
 # Block labeling
 /dev/block/mmcblk0                 u:object_r:root_block_device:s0
 /dev/block/mmcblk0rpmb             u:object_r:drm_block_device:s0
+/dev/block/platform/msm_sdcc\.1/by-name/boot       u:object_r:boot_block_device:s0
 /dev/block/platform/msm_sdcc\.1/by-name/system       u:object_r:system_block_device:s0
 /dev/block/platform/msm_sdcc\.1/by-name/recovery     u:object_r:recovery_block_device:s0
 /dev/block/platform/msm_sdcc\.1/by-name/userdata     u:object_r:userdata_block_device:s0