power/stats: Move PowerStats HAL 2.0 to power/stats

Bug: 169864180
Test: dumpsys android.hardware.powerstats.IPowerStats/default
Change-Id: Icbadece98b09505efb2f6d0863f15d4b77a29df2
Merged-In: Icbadece98b09505efb2f6d0863f15d4b77a29df2
diff --git a/power/stats/aidl/default/powerstats-default.xml b/power/stats/aidl/default/powerstats-default.xml
new file mode 100644
index 0000000..e07513d
--- /dev/null
+++ b/power/stats/aidl/default/powerstats-default.xml
@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.powerstats</name>
+        <fqname>IPowerStats/default</fqname>
+    </hal>
+</manifest>