bootstat: Implement the SELinux policy to allow reading/writing to
/data/misc/bootstat.

BUG: 21724738
Change-Id: I2789f57cc8182af1a7c33672ef82297f32f54e2e
diff --git a/file_contexts b/file_contexts
index 1cd5fba..78964cb 100644
--- a/file_contexts
+++ b/file_contexts
@@ -251,6 +251,7 @@
 # Misc data
 /data/misc/adb(/.*)?            u:object_r:adb_keys_file:s0
 /data/misc/audio(/.*)?          u:object_r:audio_data_file:s0
+/data/misc/bootstat(/.*)?       u:object_r:bootstat_data_file:s0
 /data/misc/boottrace(/.*)?      u:object_r:boottrace_data_file:s0
 /data/misc/bluetooth(/.*)?      u:object_r:bluetooth_data_file:s0
 /data/misc/bluedroid(/.*)?      u:object_r:bluetooth_data_file:s0