Revert "Add call answered timestamp into call extra"

Revert submission 24315051-cherrypick-cherrypick-call_answered_time-wvoy2t8g9x-lkjoge0zens

Reason for revert: This has caused a performance regression in call answering times.  See b/311076360.

Reverted changes: /q/submissionid:24315051-cherrypick-cherrypick-call_answered_time-wvoy2t8g9x-lkjoge0zens

Change-Id: I758451caf7b896c238c677769ae6af3703f4f687
diff --git a/src/com/android/server/telecom/CallsManager.java b/src/com/android/server/telecom/CallsManager.java
old mode 100755
new mode 100644
index a45764a..d89fd7f
--- a/src/com/android/server/telecom/CallsManager.java
+++ b/src/com/android/server/telecom/CallsManager.java
@@ -2888,10 +2888,6 @@
             call.answer(videoState);
         } else {
             // Hold or disconnect the active call and request call focus for the incoming call.
-            Bundle bundle = new Bundle();
-            bundle.putLong(TelecomManager.EXTRA_CALL_ANSWERED_TIME_MILLIS,
-                     mClockProxy.currentTimeMillis());
-            call.putConnectionServiceExtras(bundle);
             holdActiveCallForNewCall(call);
             mConnectionSvrFocusMgr.requestFocus(
                     call,