fix argument parser for global settings URLs

Make content://settings/global/setting_name URLs work like system and
secure URLs.

Bug: 7212535
Change-Id: I33e388a0cc80309453714eab726ce45b3f8fef73

Author: Doug Zongker

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

@@ -252,7 +252,8 @@ private static class SqlArguments {
                 if (!DatabaseHelper.isValidTable(this.table)) {
                     throw new IllegalArgumentException("Bad root path: " + this.table);
                 }
-                if (TABLE_SYSTEM.equals(this.table) || TABLE_SECURE.equals(this.table)) {
+                if (TABLE_SYSTEM.equals(this.table) || TABLE_SECURE.equals(this.table) ||
+                    TABLE_GLOBAL.equals(this.table)) {
                     this.where = Settings.NameValueTable.NAME + "=?";
                     this.args = new String[] { url.getPathSegments().get(1) };
                 } else {