for #7032 add scroll listener to make the keyboard disappear on scroll.

touch listener was blocking the scroll

app/src/main/java/org/mozilla/fenix/search/SearchFragment.kt

@@ -16,13 +16,13 @@ import android.speech.RecognizerIntent
 import android.speech.RecognizerIntent.EXTRA_RESULTS
 import android.text.style.StyleSpan
 import android.view.LayoutInflater
-import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewStub
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
+import androidx.core.widget.NestedScrollView
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
@@ -130,14 +130,11 @@ class SearchFragment : Fragment(), UserInteractionHandler {
 
         awesomeBarView = AwesomeBarView(view.scrollable_area, searchInteractor)
 
-        view.scrollView.setOnTouchListener { _, event ->
+        view.scrollView.setOnScrollChangeListener {
-            when (event?.action) {
+                _: NestedScrollView, _: Int, _: Int, _: Int, _: Int ->
-                MotionEvent.ACTION_SCROLL, MotionEvent.ACTION_MOVE -> {
+            view.hideKeyboard()
-                    view.hideKeyboard()
-                }
-            }
-            true
         }
+
         toolbarView = ToolbarView(
             view.toolbar_component_wrapper,
             searchInteractor,

app/src/main/java/org/mozilla/fenix/search/awesomebar/AwesomeBarView.kt

@@ -11,9 +11,7 @@ import androidx.appcompat.content.res.AppCompatResources.getDrawable
 import androidx.core.graphics.BlendModeColorFilterCompat.createBlendModeColorFilterCompat
 import androidx.core.graphics.BlendModeCompat.SRC_IN
 import androidx.core.graphics.drawable.toBitmap
-import androidx.recyclerview.widget.RecyclerView
 import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.fragment_search.*
 import mozilla.components.browser.awesomebar.BrowserAwesomeBar
 import mozilla.components.browser.search.SearchEngine
 import mozilla.components.browser.session.Session
@@ -27,7 +25,6 @@ import mozilla.components.feature.search.SearchUseCases
 import mozilla.components.feature.session.SessionUseCases
 import mozilla.components.feature.tabs.TabsUseCases
 import mozilla.components.support.ktx.android.content.getColorFromAttr
-import mozilla.components.support.ktx.android.view.hideKeyboard
 import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.asActivity