Doc: replace "Start Android AVD Manager" with "Start AVD Manager"

The UI text changed, because "AVD" means "Android Virtual Device":
7d266c64.

Change-Id: I9f581a5c580f38880398d0e3aed35db5fd140b98
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

doc/src/android/androiddev.qdoc

@@ -218,7 +218,7 @@
     \gui Add. If you run an application without a device connected to the
     development PC and without an AVD specified, \QC asks you to add an AVD.
 
-    To manage AVDs, select \gui {Start Android AVD Manager}.
+    To manage AVDs, select \gui {Start AVD Manager}.
 
     \note The Android Emulator has a bug that prevents it from starting on some
     systems. If the Android Emulator does not start, you can try starting it