Various small UI cleanup in settings.

- Remove title bar in various places where it is not useful.
- Tighten up some text to avoid spilling across lines.
- Remove strong wording about turning off GPS to save battery.

Change-Id: Ieed9f8f3a3cf6a892a49362677594b447a266925

res/layout/installed_app_details.xml

@@ -25,7 +25,6 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:paddingRight="6dip"
-        android:paddingTop="5dip"
         android:paddingBottom="5dip"
         android:orientation="vertical">
 

res/layout/manage_applications_item.xml

@@ -65,6 +65,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="0"
+                android:visibility="gone"
                 android:textAppearance="?android:attr/textAppearanceSmall"
                 android:text="@string/disabled" />
         </LinearLayout>