Add native java screen recorder [1/2]

This is based on the screenrecorder binary found in frameworks/av.
It has been converted to a native library with the necessary jni
hooks for interfacing withit via a ScreenRecorder java class.

Volume up + power chord is used to start and stop recording by
binding to the service found in the ScreenRecorder app:
https://github.com/ChameleonOS/android_packages_apps_ScreenRecorder

PS1:
Clean up white space.

PS2:
Fix naming convention for state field.

PS3:
Rebase

PS4:
Post mScreenRecordTimeout with 1000 millisecond delay instead
of 10000.

Change-Id: I5b7af9b4b4f24a8c54ac0f9dcb36ace16672e2cf

Conflicts:
	core/res/res/values/vendor_strings.xml
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
Add global action for screen recording. [1/2]

Change-Id: Ie6d4655b074992075df0060d23c758f2af06387e

Conflicts:
	core/res/res/values/vendor_strings.xml
	core/res/res/values/vendor_symbols.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java