power: Allow POWER_HINT_LOW_POWER hint to disable power save mode

Change-Id: I3b4c90f05267ca4182187361e5d373adb6de25d7
diff --git a/power/power.c b/power/power.c
index 54edcf2..ce78be5 100644
--- a/power/power.c
+++ b/power/power.c
@@ -427,7 +427,8 @@
     int len;
 
     /* Bail out if low-power mode is active */
-    if (current_power_profile == PROFILE_POWER_SAVE && hint != POWER_HINT_SET_PROFILE) {
+    if (current_power_profile == PROFILE_POWER_SAVE && hint != POWER_HINT_LOW_POWER
+            && hint != POWER_HINT_SET_PROFILE) {
         ALOGW("%s: PROFILE_POWER_SAVE active, ignoring hint %d", __func__, hint);
         return;
     }