Clean up some of the intent filters in the manifest.

AndroidManifest.xml

@@ -97,6 +97,7 @@
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.settings.WIFI_IP_SETTINGS" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
 
@@ -121,6 +122,7 @@
                 <action android:name="android.settings.BLUETOOTH_SETTINGS" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
                 <category android:name="com.android.settings.SHORTCUT" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
 
@@ -143,6 +145,7 @@
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.settings.DATE_SETTINGS" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
 
@@ -302,6 +305,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="com.android.settings.TTS_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
 
@@ -384,6 +388,7 @@
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="com.android.settings.QUICK_LAUNCH_SETTINGS" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
         
@@ -399,6 +404,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="com.android.settings.APPLICATION_DEVELOPMENT_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>