[Extensions] Update script_and_capture tests to manifest v2

We should (finally) remove support for manifest v1. One of the last
significant dependencies is that a lot of our tests aren't manifest v2
yet.

This CL updates manifest files under
chrome/test/data/extensions/script_and_capture (which are not usually
named manifest.json). All files updated cleanly.

Bug: 816679
Change-Id: I96cce6762c72eda98148d5aa49a57b2703fe9b63
Reviewed-on: https://chromium-review.googlesource.com/952363Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541290}

chrome/test/data/extensions/script_and_capture/extension_chrome_favicon_wildcard.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "chrome://favicon/*" ]
 }

chrome/test/data/extensions/script_and_capture/extension_component_all.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "<all_urls>" ]
 }

chrome/test/data/extensions/script_and_capture/extension_component_google.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "http://www.google.com/" ]
 }

chrome/test/data/extensions/script_and_capture/extension_http_favicon.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "http://favicon/" ]
 }

chrome/test/data/extensions/script_and_capture/extension_regular_all.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "<all_urls>" ]
 }

chrome/test/data/extensions/script_and_capture/extension_wildcard.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "*://*/" ]
 }

chrome/test/data/extensions/script_and_capture/extension_wildcard_chrome.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "chrome://*/" ]
 }

chrome/test/data/extensions/script_and_capture/extension_wildcard_settings.json

 {
    "name": "permission test",
+   "manifest_version": 2,
    "version": "1",
    "permissions": [ "tabs", "*://settings/*" ]
 }

chrome/test/data/extensions/script_and_capture/tab_specific.json

 {
   "name": "Extension with no host permissions.",
+  "manifest_version": 2,
   "version": "1"
 }