healthd: Charger info: Opt-in for battery values

Use current_now and voltage_now instead of current_max and voltage_max.

Needs HEALTHD_USE_BATTERY_INFO := true in BoardConfig.mk

Change-Id: Icef14fa8b2ea353e3ba7cd2c6d1573dbc82474a1
diff --git a/healthd/Android.bp b/healthd/Android.bp
index e158e07..1228b23 100644
--- a/healthd/Android.bp
+++ b/healthd/Android.bp
@@ -73,7 +73,10 @@
 
 cc_library_static {
     name: "libbatterymonitor",
-    defaults: ["libbatterymonitor_defaults"],
+    defaults: [
+        "libbatterymonitor_defaults",
+        "use_battery_info_defaults",
+    ],
     srcs: ["BatteryMonitor.cpp"],
     static_libs: [
         "android.hardware.health-V3-ndk",
@@ -88,7 +91,10 @@
 // TODO(b/251425963): remove when android.hardware.health is upgraded to V2.
 cc_library_static {
     name: "libbatterymonitor-V1",
-    defaults: ["libbatterymonitor_defaults"],
+    defaults: [
+        "libbatterymonitor_defaults",
+        "use_battery_info_defaults",
+    ],
     srcs: ["BatteryMonitor_v1.cpp"],
     static_libs: [
         "android.hardware.health-V1-ndk",