Delete unused variable within ActivityStarter#executeRequest

The variable `previousStart` has already been removed from its actual
usage location, so we should also delete this unused variable to
prevent confusion.

Bug:none
Test:presubmit

Change-Id: I3a4cc6eba57da2b5a00893f59c94add3eb84b057

parent e4f54266

services/core/java/com/android/server/wm/ActivityStarter.java

+0 −1

Original line number	Diff line number	Diff line
		@@ -938,7 +938,6 @@ class ActivityStarter {
		mLastStartReason = request.reason;
		mLastStartActivityTimeMs = System.currentTimeMillis();

		final ActivityRecord previousStart = mLastStartActivityRecord;
		final IApplicationThread caller = request.caller;
		Intent intent = request.intent;
		NeededUriGrants intentGrants = request.intentGrants;