Corrected repeat count for key repeat in input device.

Previously the key event repeat count was always zero when the repeated
key down events was generated by the input device in the Linux kernel.

Change-Id: I9e295ca41ffe7324f54083f0a493e073187feb28

phone/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -285,6 +285,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     ShortcutManager mShortcutManager;
     PowerManager.WakeLock mBroadcastWakeLock;
 
+    int lastKeyCode = KeyEvent.getMaxKeyCode() + 1; //invalid code
+    int keyRepeatCount = 0;
+
     class SettingsObserver extends ContentObserver {
         SettingsObserver(Handler handler) {
             super(handler);
@@ -1946,6 +1949,18 @@ else if (isWakeKey && isKeyUp) {
         boolean down = event.value != 0;
 
         if (type == RawInputEvent.EV_KEY) {
+            if (down) {
+                if (code == lastKeyCode) {
+                    keyRepeatCount++;
+                } else {
+                    keyRepeatCount = 0;
+                }
+                lastKeyCode = code;
+            } else {
+                keyRepeatCount = 0;
+                lastKeyCode = KeyEvent.getMaxKeyCode() + 1; //invalid code
+            }
+
             if (code == KeyEvent.KEYCODE_ENDCALL
                     || code == KeyEvent.KEYCODE_POWER) {
                 if (down) {
@@ -2029,7 +2044,7 @@ else if (isWakeKey && isKeyUp) {
                     // only do it if the showing app doesn't process the key on its own.
                     KeyEvent keyEvent = new KeyEvent(event.when, event.when,
                             down ? KeyEvent.ACTION_DOWN : KeyEvent.ACTION_UP,
-                            code, 0);
+                            code, keyRepeatCount);
                     mBroadcastWakeLock.acquire();
                     mHandler.post(new PassHeadsetKey(keyEvent));
                 }