+ Added a getVideoCallProvider function in IImsCallSession
+ Added IImsVideoCallProvider aidl. This is used for communication
between Telephony and the ImsService. It is redundant with
IVideoCallProvider on some level, but see associated bug and comments
in the class for more detail.
+ Added IImsVideoCallCallback. This is used for communicationing
callback invocations from ImsService to Telephony. It is redundant
with IVideoCallCallback for same reason in bugs/comments.
+ Some minor formatting changes.
Bug: 16886403
Change-Id: I03de12d4432f837e0930bc077307509b645493e0
Move aidl files from frameworks/opt/net/ims to frameworks/base so lpdk
compiles. The reason is lpdk doesn't have frameworks/base sources so
references to Pending and Bundle in aidl files breaks the pdk build.
I had to move all of them and the ims/*java files for dependency reasons.
Change-Id: I92452562591b157cecdfc01bcd892c4f35f5965c