Added Type Arguments to Samples, to reduce Warnings and get a litle bit more Compiler Code checking for "new" Android Programmers

Change-Id: I25add019e99fec88c8422da14f3e18246ca0f0b5
Removed unused Imports, Added Type Arguments, removed some Warnings by using unused Methods and Variables

Change-Id: I39a4eb2b17f3411b17fcc49cbbbe396e89fab24a
Merge commit 'a3396e09400fc065aa773e076de7a44323e3ce6b' into HEAD

* commit 'a3396e09400fc065aa773e076de7a44323e3ce6b':
  Added Type Arguments to Samples, to reduce Warnings and get a litle bit more Compiler Code checking for "new" Android Programmers
Merge commit '97d0e8ddb788190be7e68931a50729a4f9ea3993' into HEAD

* commit '97d0e8ddb788190be7e68931a50729a4f9ea3993':
  Removed unused Imports, Added Type Arguments, removed some Warnings by using unused Methods and Variables

Conflicts:
	samples/ApiDemos/src/com/example/android/apis/app/ForegroundService.java
	samples/ApiDemos/src/com/example/android/apis/app/ForegroundServiceController.java
	samples/ApiDemos/src/com/example/android/apis/app/LocalServiceBinding.java
	samples/ApiDemos/src/com/example/android/apis/app/LocalServiceController.java
	samples/ApiDemos/src/com/example/android/apis/app/ServiceStartArguments.java
Update to use system/core/include 4.2.2_r1.2
Update to use sdk 4.2.2_r1.2
Update to use binary.mk 4.3_r2.1
Update to use update-api
Remove pdk

doesn't exist since 4.1.1