vendor: add HEALTHD_USE_BATTERY_INFO option

Change-Id: Ifdf879fe1cb5735c21d9528208da29ed9cfe116b
diff --git a/build/soong/android/variable.go b/build/soong/android/variable.go
index 75da6a4..0569d20 100644
--- a/build/soong/android/variable.go
+++ b/build/soong/android/variable.go
@@ -1,10 +1,14 @@
 package android
 type Product_variables struct {
+	Healthd_use_battery_info struct {
+		Cflags []string
+	}
 	TargetNeedsHWCOnFirstRef struct {
 		Cflags []string
 	}
 }
 
 type ProductVariables struct {
+	Healthd_use_battery_info  *bool `json:",omitempty"`
 	TargetNeedsHWCOnFirstRef  *bool `json:",omitempty"`
 }