Fix keycode.

see frameworks/base/core/java/android/view/KeyEvent.java.

http://b/issue?id=2830562
Change-Id: I36676066e0e3e749e30625e81398e53b403aed1c
diff --git a/cmds/monkey/src/com/android/commands/monkey/MonkeySourceRandom.java b/cmds/monkey/src/com/android/commands/monkey/MonkeySourceRandom.java
index 45a6e24..92acc7e 100644
--- a/cmds/monkey/src/com/android/commands/monkey/MonkeySourceRandom.java
+++ b/cmds/monkey/src/com/android/commands/monkey/MonkeySourceRandom.java
@@ -148,6 +148,21 @@
         "KEYCODE_PAGE_DOWN",
         "KEYCODE_PICTSYMBOLS",
         "KEYCODE_SWITCH_CHARSET",
+        "KEYCODE_BUTTON_A",
+        "KEYCODE_BUTTON_B",
+        "KEYCODE_BUTTON_C",
+        "KEYCODE_BUTTON_X",
+        "KEYCODE_BUTTON_Y",
+        "KEYCODE_BUTTON_Z",
+        "KEYCODE_BUTTON_L1",
+        "KEYCODE_BUTTON_R1",
+        "KEYCODE_BUTTON_L2",
+        "KEYCODE_BUTTON_R2",
+        "KEYCODE_BUTTON_THUMBL",
+        "KEYCODE_BUTTON_THUMBR",
+        "KEYCODE_BUTTON_START",
+        "KEYCODE_BUTTON_SELECT",
+        "KEYCODE_BUTTON_MODE",
 
         "TAG_LAST_KEYCODE"      // EOL.  used to keep the lists in sync
     };