[Autofill] Increase padding for multiline labels in dropdown

ui/android/java/src/org/chromium/ui/DropdownAdapter.java

Index: ui/android/java/src/org/chromium/ui/DropdownAdapter.java
diff --git a/ui/android/java/src/org/chromium/ui/DropdownAdapter.java b/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
index ce74633ee7f54225aa6b82436ec8f04c7dd1930a..3f502c6ca627b5b89be3d59252ed51d5859de4f0 100644
--- a/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
+++ b/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
@@ -141,6 +141,14 @@ public class DropdownAdapter extends ArrayAdapter<DropdownItem> {
             ApiCompatibilityUtils.setMarginStart(layoutParams, labelMargin);
             ApiCompatibilityUtils.setMarginEnd(layoutParams, labelMargin);
             labelView.setLayoutParams(layoutParams);
+            if (item.isMultilineLabel()) {
+                // If there is a multiline label, we add extra padding top and bottom because
+                // WRAP_CONTENT, defined above for multiline labels, leaves none.
+                int existingStart = ApiCompatibilityUtils.getPaddingStart(labelView);
+                int existingEnd = ApiCompatibilityUtils.getPaddingEnd(labelView);
+                ApiCompatibilityUtils.setPaddingRelative(
+                        labelView, existingStart, labelMargin, existingEnd, labelMargin);
+            }
         }
 
         labelView.setEnabled(item.isEnabled());