Dont make EditText Focusable by default

EditText should not be in focus by default and so move focus to layout instead of edit text.
This makes *hint* grey by default and turns blue when user starts to edit.

UX implementation review deck that has all screenshots

https://docs.google.com/presentation/d/1OTWsG8au8qS7FhcXyvvbOk5fhEmGE5YEEzSGgq9MVKw/edit?ts=5c2ea8b9#slide=id.g404c5faffe_1_12

Bug: 913646
Change-Id: Ib78771c0a4cdd884505d40f8d723999d91207123
Reviewed-on: https://chromium-review.googlesource.com/c/1395560
Commit-Queue: Lakshmi Kumar Dabbiru <dlkumar@google.com>
Reviewed-by: Becky Zhou <huayinz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620018}

chrome/android/java/res/layout/autofill_name_fixflow.xml

@@ -10,6 +10,8 @@
     android:layout_height="wrap_content"
     style="@style/AlertDialogContent"
     android:minHeight="36dp"
+    android:focusable="true"
+    android:focusableInTouchMode="true"
     android:layout_marginBottom="32dp"
     android:paddingBottom="16dp"
     android:layout_marginTop="6dp"
@@ -19,7 +21,6 @@
     <org.chromium.chrome.browser.widget.CompatibilityTextInputLayout
         android:id="@+id/cc_name"
         android:labelFor="@+id/cc_name_edit"
-        android:focusableInTouchMode="true"
         android:layout_width="0dp"
         android:layout_weight="1"
         android:layout_height="wrap_content">