Use new ContactPhotoManager APIs for default avatars in Contacts

*Update the following uses of ContactPhotoManager.loadPhoto
and ContactPhotoManager.loadThumbnail
GroupEditorFragment
EmailAddressListAdapter
PostalAddressListAdapter

*Replace the following uses of R.drawable.ic_contact_picture_holo_light and
ContactPhotoManager.getDefaultAvatarResId with
ContactPhotoManager.getDefaultAvatarDrawableForContact
PhotoEditorView
AggregationSuggestionView
SuggestedMemberListAdapter
ConfirmAddDetailActivity
ImageViewDrawableSetter

*Protect against a null drawable in TransformableImageView()

*Add lookup fields to cursor projections in EmailAddressListAdapter
and PostalAddressListAdapter to correct construct a DefaultImageRequest
and assign LetterTileDrawables for contact photos

Bug: 13101785
Change-Id: I9c04ce81192913bf3c398a9a7a9368861bd93b59