Fixes for APi review

Move CameraCapabilities into VideoProfile
Make PhoneAccount and PhoneAccountHandle final

Bug: 21040387
Bug: 21066505
Change-Id: I72453c89ae3765f9b9cf263938fce96d5978d2e0
diff --git a/telecomm/java/android/telecom/PhoneAccount.java b/telecomm/java/android/telecom/PhoneAccount.java
index bab460d..86475b1 100644
--- a/telecomm/java/android/telecom/PhoneAccount.java
+++ b/telecomm/java/android/telecom/PhoneAccount.java
@@ -47,7 +47,7 @@
  * should supply a valid {@link PhoneAccountHandle} that references the connection service
  * implementation Telecom will use to interact with the app.
  */
-public class PhoneAccount implements Parcelable {
+public final class PhoneAccount implements Parcelable {
 
     /**
      * Flag indicating that this {@code PhoneAccount} can act as a connection manager for