[Android] Rename apk installation command line arguments

This CL will also move the addition of these command line arguments
into the browser specific WPTAdapter subclass.

Bug: 1050754
Change-Id: I658ae5741229ad5a6eae740ab73008c99eae8d4d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2119761
Commit-Queue: Rakib Hasan <rmhasan@google.com>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Andrew Luo <aluo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755217}

testing/buildbot/gn_isolate_map.pyl

@@ -482,7 +482,7 @@
     "script": "//testing/scripts/run_android_wpt.py",
     "args": [
       "--product=chrome_android",
-      "--apk=apks/ChromePublic.apk",
+      "--chrome-apk=apks/ChromePublic.apk",
       "--webdriver-binary=clang_x64/chromedriver",
       "-v",
     ],
@@ -1601,7 +1601,7 @@
     "script": "//testing/scripts/run_android_wpt.py",
     "args": [
       "--product=android_webview",
-      "--apk=apks/SystemWebView.apk",
+      "--webview-provider=apks/SystemWebView.apk",
       "--system-webview-shell=apks/SystemWebViewShell.apk",
       "--webdriver-binary=clang_x64/chromedriver",
       "-v",