Add power stats service for specific device

Bug: 183052760
Test: dumpsys android.hardware.power.stats.IPowerStats/default
Change-Id: I20fa0e1b369f9b5f15e7881eea87ef699176dccc
Merged-In: I20fa0e1b369f9b5f15e7881eea87ef699176dccc
diff --git a/device-whitefin.mk b/device-whitefin.mk
index cd31bf4..c11f7e5 100644
--- a/device-whitefin.mk
+++ b/device-whitefin.mk
@@ -54,3 +54,6 @@
 # NFC
 PRODUCT_COPY_FILES += \
 	device/google/gs101/nfc/libnfc-hal-st.conf:$(TARGET_COPY_OUT_VENDOR)/etc/libnfc-hal-st.conf
+
+# PowerStats HAL
+PRODUCT_SOONG_NAMESPACES += device/google/raviole/powerstats/whitefin