Fix build error (Boolean -> boolean)

Change-Id: I2f337e23f4b092de41523f1195546e9d65851c84
diff --git a/services/java/com/android/server/LocationManagerService.java b/services/java/com/android/server/LocationManagerService.java
index 14d5995..8519e2c 100644
--- a/services/java/com/android/server/LocationManagerService.java
+++ b/services/java/com/android/server/LocationManagerService.java
@@ -1940,7 +1940,7 @@
 
     // Geocoder
 
-    public Boolean geocoderIsImplemented() {
+    public boolean geocoderIsImplemented() {
         return mGeocodeProvider != null;
     }