More on issue #2271640: Fix wallpaper etc docs

Publish the features developers may be interested in.

Change-Id: I7d40ad9a9f4b9770e2f8dd1b0a729b0d322c062e
diff --git a/api/current.xml b/api/current.xml
index 83f406f..065176b 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -41992,6 +41992,116 @@
  visibility="public"
 >
 </field>
+<field name="FEATURE_CAMERA"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.camera&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_CAMERA_AUTOFOCUS"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.camera.autofocus&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_CAMERA_FLASH"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.camera.flash&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_LIVE_WALLPAPER"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.software.live_wallpaper&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_SENSOR_LIGHT"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.sensor.light&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_SENSOR_PROXIMITY"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.sensor.proximity&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_TELEPHONY"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.telephony&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_TELEPHONY_CDMA"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.telephony.cdma&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_TELEPHONY_GSM"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.telephony.gsm&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="FEATURE_TOUCHSCREEN_MULTITOUCH"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;android.hardware.touchscreen.multitouch&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="GET_ACTIVITIES"
  type="int"
  transient="false"
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index cd48dcb..e2030be 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -514,6 +514,68 @@
     public static final int DONT_DELETE_DATA = 0x00000001;
 
     /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device has a camera facing away
+     * from the screen.
+     */
+    public static final String FEATURE_CAMERA = "android.hardware.camera";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
+     */
+    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device's camera supports flash.
+     */
+    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device includes a light sensor.
+     */
+    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device includes a proximity sensor.
+     */
+    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device has a telephony radio with data
+     * communication support.
+     */
+    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
+     */
+    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
+     */
+    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device's touch screen supports multitouch.
+     */
+    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
+    
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device supports live wallpapers.
+     */
+    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
+    
+    /**
      * Retrieve overall information about an application package that is
      * installed on the system.
      *