Implement updateViaCache flag and no-cache by default for main service worker scripts

android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt

Index: android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
diff --git a/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt b/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
index 2355e6d9e026a825fd06f33b328d33e8815df132..a60af938ae9546a16d5a43607ab16db67a109889 100644
--- a/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
+++ b/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
@@ -1954,6 +1954,7 @@ interface HTMLLinkElement : HTMLElement
     getter sizes
     getter target
     getter type
+    getter updateViaCache
     method constructor
     setter as
     setter charset
@@ -1969,6 +1970,7 @@ interface HTMLLinkElement : HTMLElement
     setter sizes
     setter target
     setter type
+    setter updateViaCache
 interface HTMLMapElement : HTMLElement
     getter areas
     getter name
@@ -4418,6 +4420,7 @@ interface ServiceWorkerRegistration : EventTarget
     getter onupdatefound
     getter scope
     getter sync
+    getter updateViaCache
     method constructor
     method unregister
     method update