powerstats: Refine PowerStats HAL 2.0 documentation

Bug: 169864180
Test: m
Change-Id: I988ff3508fdb09803a0ffdafc9d40cac3b72e075
diff --git a/powerstats/aidl/vts/VtsHalPowerStatsTargetTest.cpp b/powerstats/aidl/vts/VtsHalPowerStatsTargetTest.cpp
index 34d1b22..e71e495 100644
--- a/powerstats/aidl/vts/VtsHalPowerStatsTargetTest.cpp
+++ b/powerstats/aidl/vts/VtsHalPowerStatsTargetTest.cpp
@@ -115,9 +115,9 @@
     }
 }
 
-TEST_P(PowerStatsAidl, TestGetStateResidencyData) {
-    std::vector<StateResidencyResult> data;
-    ASSERT_TRUE(powerstats->getPowerEntityStateResidency({}, &data).isOk());
+TEST_P(PowerStatsAidl, TestGetStateResidency) {
+    std::vector<StateResidencyResult> results;
+    ASSERT_TRUE(powerstats->getStateResidency({}, &results).isOk());
 }
 
 TEST_P(PowerStatsAidl, TestGetEnergyMeterInfo) {