Finish adding Makefiles for the Notepad tutorial.

Add the missing makefiles for the non-solution versions of the tutorial
code.  Required providing missing imports in Notepadv2.  Also standardized
white spaces using Source > Correct Indentation in Eclipse and a few
manual changes.  This was done to minimize differences such as:

diff -r Notepadv1 Notepadv1Solution
diff -r Notepadv1Solution/src/com/android/demo/notepad1/ Notepadv2/src/com/android/demo/notepad2/

Change-Id: Ie8b10efd61f2200b3c741ea500a6924710ab54ed
diff --git a/tutorials/NotepadCodeLab/Notepadv1Solution/Android.mk b/tutorials/NotepadCodeLab/Notepadv1Solution/Android.mk
index 5375031..35bc577 100644
--- a/tutorials/NotepadCodeLab/Notepadv1Solution/Android.mk
+++ b/tutorials/NotepadCodeLab/Notepadv1Solution/Android.mk
@@ -17,6 +17,7 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
+# Only build apk if this package is added to CUSTOM_MODLUES in buildspec.mk
 LOCAL_MODULE_TAGS := optional
 
 # Only compile source java files in this apk.