Remove warnings caused by change to getAdaptable()

getAdaptable() in 4.5 M6 has changed to use generics, making casting its
result no longer necessary.

Change-Id: Idd943216a925576bb72c784b2c5a2a4b8e8b00d2
Signed-off-by: Marc Khouzam <marc.khouzam@ericsson.com>
270 files changed