Rename TelecomManager.EXTRA_INCOMING_PICTURE

Rename to EXTRA_PICTURE_URI, since we also need to set it for outgoing
calls in order to write to the call log correctly.

Bug: 177613111
Test: atest CallComposerTest
Change-Id: Ie171c8f978db7de30e81800c464b2bd68aff73f8
Merged-In: Ie171c8f978db7de30e81800c464b2bd68aff73f8