(Android) Add explicit runtime hack for Xperia Play so that

AKEYCODE_BACK behavior is not contingent on AKeyMeta (which
could produce problems on other pads). Hopefully should fix
some issues

android/native/jni/input_android.c

@@ -143,8 +143,17 @@ static void android_input_poll(void *data)
          }
          else
          {
-            int meta = AKeyEvent_getMetaState(event);
+            if (g_extern.lifecycle_mode_state & (1ULL << MODE_INPUT_XPERIA_PLAY_HACK))
-            if (!(meta & AMETA_ALT_ON))
+            {
+               int meta = AKeyEvent_getMetaState(event);
+               if (!(meta & AMETA_ALT_ON))
+               {
+                  *lifecycle_state |= (1ULL << RARCH_QUIT_KEY);
+                  AInputQueue_finishEvent(android_app->inputQueue, event, handled);
+                  break;
+               }
+            }
+            else
             {
                *lifecycle_state |= (1ULL << RARCH_QUIT_KEY);
                AInputQueue_finishEvent(android_app->inputQueue, event, handled);

android/native/jni/input_autodetect.c

@@ -664,6 +664,7 @@ void input_autodetect_setup (void *data, char *msg, size_t sizeof_msg, unsigned
       }
       else if (strstr(name_buf, "keypad-zeus") || (strstr(name_buf, "keypad-game-zeus")))
       {
+         g_extern.lifecycle_mode_state |= (1ULL << MODE_INPUT_XPERIA_PLAY_HACK);
          /* Xperia Play */
          /* X/o/square/triangle/R1/L1/D-pad */
          keycode_lut[AKEYCODE_DPAD_CENTER] |=  ((RETRO_DEVICE_ID_JOYPAD_B+1)      << shift);

general.h

@@ -134,6 +134,9 @@ enum menu_enums
    MODE_EXTLAUNCH_MULTIMAN,
    MODE_EXIT,
    MODE_EXITSPAWN,
+#ifdef ANDROID
+   MODE_INPUT_XPERIA_PLAY_HACK,
+#endif
    MODE_VIDEO_TRIPLE_BUFFERING_ENABLE,
    MODE_VIDEO_FLICKER_FILTER_ENABLE,
    MODE_VIDEO_SOFT_FILTER_ENABLE,