Post visual update: Update the omnibar focused style (#6578)

Task/Issue URL:
https://app.asana.com/1/137249556945/task/1210832711755376?focus=true

### Description

This PR removes the blue outline for the focused state of the omnibar.

### Steps to test this PR

- [x] Tap on the address bar to give it focus
- [x] Verify the blue outline is not displayed


---
- To see the specific tasks where the Asana app for GitHub is being
used, see below:
  - https://app.asana.com/0/0/1210832711755376

Author: 0nko

app/src/main/java/com/duckduckgo/app/browser/omnibar/SingleOmnibarLayout.kt

@@ -23,7 +23,6 @@ import android.util.AttributeSet
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewTreeObserver.OnGlobalLayoutListener
-import android.view.animation.DecelerateInterpolator
 import android.widget.ImageView
 import androidx.core.content.ContextCompat
 import androidx.core.view.isGone
@@ -43,6 +42,7 @@ import com.duckduckgo.di.scopes.FragmentScope
 import com.duckduckgo.mobile.android.R as CommonR
 import com.duckduckgo.navigation.api.GlobalActivityStarter
 import com.google.android.material.card.MaterialCardView
+import com.google.android.material.color.MaterialColors.*
 import dagger.android.support.AndroidSupportInjection
 import javax.inject.Inject
 
@@ -55,7 +55,6 @@ class SingleOmnibarLayout @JvmOverloads constructor(
     @Inject
     lateinit var globalActivityStarter: GlobalActivityStarter
 
-    private val omnibarCard: MaterialCardView by lazy { findViewById(R.id.omniBarContainer) }
     private val omnibarCardShadow: MaterialCardView by lazy { findViewById(R.id.omniBarContainerShadow) }
     private val iconsContainer: View by lazy { findViewById(R.id.iconsContainer) }
     private val shieldIconPulseAnimationContainer: View by lazy { findViewById(R.id.shieldIconPulseAnimationContainer) }
@@ -185,28 +184,7 @@ class SingleOmnibarLayout @JvmOverloads constructor(
     }
 
     private fun animateOmnibarFocusedState(focused: Boolean) {
-        focusAnimator?.cancel()
-
-        val startCardStrokeWidth = omnibarCard.strokeWidth
-        val endCardStrokeWidth: Int = if (focused) {
-            omnibarOutlineFocusedWidth
-        } else {
-            omnibarOutlineWidth
-        }
-
-        val animator = ValueAnimator.ofFloat(0f, 1f)
-        animator.duration = DEFAULT_ANIMATION_DURATION
-        animator.interpolator = DecelerateInterpolator()
-        animator.addUpdateListener { valueAnimator ->
-            val fraction = valueAnimator.animatedValue as Float
-
-            val animatedCardStrokeWidth = (startCardStrokeWidth + (endCardStrokeWidth - startCardStrokeWidth) * fraction).toInt()
-
-            omnibarCard.strokeWidth = animatedCardStrokeWidth
-        }
-
-        animator.start()
-        focusAnimator = animator
+        // temporarily disable focus animation
     }
 
     private fun onFindInPageShown() {

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

@@ -66,8 +66,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="match_parent"
                         app:cardElevation="0dp"
-                        app:strokeColor="?daxColorAccentBlue"
-                        app:strokeWidth="@dimen/omnibarOutlineWidth">
+                        app:strokeWidth="0dp">
 
                         <androidx.constraintlayout.widget.ConstraintLayout
                             android:id="@+id/omniBarContentContainer"

common/common-ui/src/main/java/com/duckduckgo/common/ui/view/ViewExtension.kt

@@ -300,4 +300,5 @@ fun View.addBottomShadow(
 
     clipToOutline = false
     elevation = shadowSize
+    setAllParentsClip(false)
 }

common/common-ui/src/main/res/values/design-system-colors.xml

@@ -318,7 +318,7 @@
     <color name="lines_light">#171F1F1F</color>
 
     <!-- Tone -->
-    <color name="shade_light">#2E1F1F1F</color>
+    <color name="shade_light">#8E1F1F1F</color>
 
     <!-- Controls -->
     <color name="controls_fill_primary_light">#171F1F1F</color>