For #22177: rename RootLinearLayout -> HomeActivityRoot...

This is so we can be more specific with the detail text in our markers.

app/src/main/java/org/mozilla/fenix/perf/HomeActivityRootLinearLayout.kt

@@ -8,14 +8,15 @@ import android.content.Context
 import android.util.AttributeSet
 import android.widget.LinearLayout
 import mozilla.components.concept.base.profiler.Profiler
+import org.mozilla.fenix.HomeActivity
 
 private const val DETAIL_TEXT = "RootLinearLayout"
 
 /**
  * A [LinearLayout] that adds profiler markers for various methods. This is intended to be used on
- * the root view of the view hierarchy to understand global measure/layout events.
+ * the root view of [HomeActivity]'s view hierarchy to understand global measure/layout events.
  */
-class RootLinearLayout(context: Context, attrs: AttributeSet) : LinearLayout(context, attrs) {
+class HomeActivityRootLinearLayout(context: Context, attrs: AttributeSet) : LinearLayout(context, attrs) {
 
     var profilerProvider: () -> Profiler? = { null }
 

app/src/main/res/layout/activity_home.xml

@@ -1,7 +1,7 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<org.mozilla.fenix.perf.RootLinearLayout
+<org.mozilla.fenix.perf.HomeActivityRootLinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -25,4 +25,4 @@
         android:layout_height="match_parent"
         app:defaultNavHost="true"
         app:navGraph="@navigation/nav_graph" />
-</org.mozilla.fenix.perf.RootLinearLayout>
+</org.mozilla.fenix.perf.HomeActivityRootLinearLayout>