Fix header protection interactions

Bug: 184711608
Bug: 187790639
Preview: https://drive.google.com/file/d/1MDh71t8DQn0SxTQY3-GZTfIlGECQs_Kn/view?usp=sharing&resourcekey=0-ep9C3q9Meo8cQShVJqnKEw
Test: Manual
Change-Id: I9c939a894adc3e9cd1ed1beb7c11f9c2dd673824
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index fd1a29c..451f82b 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -93,6 +93,7 @@
     <dimen name="all_apps_background_canvas_height">475dp</dimen>
     <dimen name="all_apps_header_pill_height">36dp</dimen>
     <dimen name="all_apps_header_pill_corner_radius">18dp</dimen>
+    <dimen name="all_apps_header_pills_width">320dp</dimen>
     <dimen name="all_apps_header_tab_height">48dp</dimen>
     <dimen name="all_apps_tabs_indicator_height">2dp</dimen>
     <dimen name="all_apps_header_top_padding">36dp</dimen>