Move "Mount /system" to the main menu.

Everyone's adding secret key combinations for this anyway, and it's
very useful when debugging.

Change-Id: Iad549452b872a7af963dd649f283ebcd3ea24234
diff --git a/recovery.cpp b/recovery.cpp
index bbfeda4..cdbb598 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -840,7 +840,7 @@
                 break;
 
             case Device::APPLY_ADB_SIDELOAD:
-            case Device::APPLY_EXT:
+            case Device::APPLY_SDCARD:
                 {
                     bool adb = (chosen_action == Device::APPLY_ADB_SIDELOAD);
                     if (adb) {
@@ -867,12 +867,14 @@
                 }
                 break;
 
-            case Device::APPLY_CACHE:
-                ui->Print("\nAPPLY_CACHE is deprecated.\n");
+            case Device::VIEW_RECOVERY_LOGS:
+                choose_recovery_file(device);
                 break;
 
-            case Device::READ_RECOVERY_LASTLOG:
-                choose_recovery_file(device);
+            case Device::MOUNT_SYSTEM:
+                if (ensure_path_mounted("/system") != -1) {
+                    ui->Print("Mounted /system.");
+                }
                 break;
         }
     }