hikey/hikey960: Add hal_health_default.te spolicy

The new Battery health HAL requires access to sysfs to
get details on the battery, without which we end up
quickly going into suspend after boot.

Change-Id: Ibb7fbb4a0d8885a17126f1e2028bfb70b92a1ee1
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/sepolicy/hal_health_default.te b/sepolicy/hal_health_default.te
new file mode 100644
index 0000000..182c655
--- /dev/null
+++ b/sepolicy/hal_health_default.te
@@ -0,0 +1,2 @@
+#============= hal_health_default ==============
+allow hal_health_default sysfs:file {open read};