WMS fix: add back IDeviceHandler import
fixes errors in builds referring to WindowManagerService.java

Change-Id: If446047e5b0f31f1e7fe2d3f1507dc94669fb5ad
Merge branch 'jb43' of https://github.com/ParanoidAndroid/android_frameworks_base into jb43-legacy

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Change-Id: I86299c64e347692045e8990280fd1199c153a14a