health: get batteryStateOfHealth from healthd

Bug: 251427118
Test: m android.hardware.health-update-api
Change-Id: I556570782b0a9698fd3530be86f8ede33b11afe2
Signed-off-by: Jack Wu <wjack@google.com>
diff --git a/health/aidl/default/Health.cpp b/health/aidl/default/Health.cpp
index 15a3dbc..f401643 100644
--- a/health/aidl/default/Health.cpp
+++ b/health/aidl/default/Health.cpp
@@ -148,6 +148,11 @@
         !res.isOk()) {
         LOG(WARNING) << "Cannot get First_usage_date: " << res.getDescription();
     }
+    if (auto res = GetProperty<int64_t>(&battery_monitor_, ::android::BATTERY_PROP_STATE_OF_HEALTH,
+                                        0, &out->batteryStateOfHealth);
+        !res.isOk()) {
+        LOG(WARNING) << "Cannot get Battery_state_of_health: " << res.getDescription();
+    }
     return ndk::ScopedAStatus::ok();
 }