Add TelecomManager.placeCall

Places a new outgoing call using the system telecom service
with the specified parameters.

Making emergency calls using this method requires that the
method-caller is either the user-selected default dialer app
or preloaded system dialer app.

Requires that the caller have the
{@link android.Manifest.permission#CALL_PHONE} permission.

Bug: 20348183
Change-Id: Ieedb5628e8c6be25137944e7c3639dc1d9bc61df