Move PowerStats service sepolicy to powerstats am: 041f4263d1 am: fa8bc7c2dc am: 4154d58a62 am: ecb8d4e1f5

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/1428229

Change-Id: Ib07134f6f953634a8ba654403dc7e3d836bada1b
diff --git a/common/file_contexts b/common/file_contexts
index 53c8dca..e86fd9f 100644
--- a/common/file_contexts
+++ b/common/file_contexts
@@ -7,5 +7,3 @@
 /vendor/bin/awk                                     u:object_r:vendor_toolbox_exec:s0
 /vendor/bin/cp                                      u:object_r:vendor_toolbox_exec:s0
 /vendor/bin/toolbox_vendor                          u:object_r:vendor_toolbox_exec:s0
-
-/(vendor|system/vendor)/bin/hw/android\.hardware\.powerstats-service\.pixel u:object_r:hal_power_stats_default_exec:s0
diff --git a/powerstats/file_contexts b/powerstats/file_contexts
new file mode 100644
index 0000000..231503b
--- /dev/null
+++ b/powerstats/file_contexts
@@ -0,0 +1 @@
+/(vendor|system/vendor)/bin/hw/android\.hardware\.powerstats-service\.pixel u:object_r:hal_power_stats_default_exec:s0