Don't throttle "while idle" alarms while not dozing

Specifically, reduce the non-doze "while idle" minimum interval to
be the same as the generally-enforced minimum futurity of new alarms.

Bug 21602742

Change-Id: I044deaedc2daeff5d6f418f0fe091fea85f73fcf
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index d58d3721..e3d5d38 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -177,7 +177,7 @@
 
         private static final long DEFAULT_MIN_FUTURITY = 5 * 1000;
         private static final long DEFAULT_MIN_INTERVAL = 60 * 1000;
-        private static final long DEFAULT_ALLOW_WHILE_IDLE_SHORT_TIME = 60*1000;
+        private static final long DEFAULT_ALLOW_WHILE_IDLE_SHORT_TIME = DEFAULT_MIN_FUTURITY;
         private static final long DEFAULT_ALLOW_WHILE_IDLE_LONG_TIME = 15*60*1000;
         private static final long DEFAULT_ALLOW_WHILE_IDLE_WHITELIST_DURATION = 10*1000;