ANDROID: GKI: power: power_supply: add POWER_SUPPLY_PROP_USB_OTG

Signed-off-by: Todd Poynor <toddpoynor@google.com>
(cherry picked from commit cd934f03c4)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 150789066
Change-Id: Idfc6ef2e37d62aad6f26cc8eafa53db642cd352b

drivers/power/supply/power_supply_sysfs.c

@@ -305,6 +305,7 @@ static struct device_attribute power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(calibrate),
 	/* Local extensions */
 	POWER_SUPPLY_ATTR(usb_hc),
+	POWER_SUPPLY_ATTR(usb_otg),
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_ATTR(model_name),
 	POWER_SUPPLY_ATTR(manufacturer),

include/linux/power_supply.h

@@ -152,6 +152,7 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_CALIBRATE,
 	/* Local extensions */
 	POWER_SUPPLY_PROP_USB_HC,
+	POWER_SUPPLY_PROP_USB_OTG,
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,