[Tizen][Runtime] Enable to load local resources using file protocol.

For WGT package, loading local resources using file protocol will be
blocked by xwalk runtime, even the permission is granted by CSP or WARP
policy rules. The patch will grant the access permission for file
protocol if it's enabled by CSP or WARP security policy.

BUG=XWALK-1990
[Tizen] Remove Ringtone from virtual root

IVI doesn't need "Ringtone" path. So, remove it.
[Android] Add test case for onProgressChanged().

This patch is to add test case about onProgressChanged().
Load data which contains iframe from webserver, wait for a timer,
get the progress percent and compare it with the expected value.
[Android] Move some tests to internal shell test

Implement 'TODO(wang16)' for core shell test.
Move GeolocationPermissionTest, RendererResponsivenessTest,
SetAppCacheEnabledTest, WebNotificationTest into internal shell test.
[Android] Enable instrument test for Contacts API.

Enable instrument test for Contacts API. And, fixed some issues in
contacts test case. The callback function of Promise is invoked after
oncontactchanges(). So, testNewContactFlag will be false. The test
always fail.
[Android] Fix white screen issue after press home button

Call onHide() when activity stopped, and onShow() when activity started,
instead of activity resumed and paused.
activity::onStop() means activity is hidden, and activity::onPause() means
activity partially visible.

BUG=XWALK-2188
[Tizen][Runtime] Fix can not launch app after rebase.

We should create IPC server rather than client on extension
process host.

BUG=2171
[Android] disable xwalk extensions only for Android
use option --disable-xwalk-extensions to disable XWalk extension system on Android.
BUG=XWALK-2067
[Tizen] Add signature data and parser logic

For Tizen signature file, it is a XML, which must match Tizen signature
schema. After verifying input XML, we use SignatueData to store values
parsing from signature.xml. And the data will be used by signature verifier
to validate digital signature furthur.
Really fix org.xwalk.core.internal.xwview.test.loadTest#testContentUrl.

The <provider> tag in AndroidManifest.xml should be outside <activity>,
not inside it.

Pointy hat: darktears, rakuco.

BUG=XWALK-2172
Merge pull request #2249 from rakuco/really-fix-xwalk-2172

Really fix org.xwalk.core.internal.xwview.test.loadTest#testContentUrl.
Merge pull request #2247 from CooderIan/fix_rebase

[Tizen][Runtime] Fix can not launch app after rebase.
Bump version to 8.37.183.0
Merge branch 'master' of github.com-crosswalk:crosswalk-project/crosswalk
DEPS.xwalk: Roll ozone-wayland (7c9ae33 -> 0a8caf9)

ozone-wayland:
0a8caf9 Merge pull request #257 from CooderIan/fix_pointer_crash
c55ebd1 Fix crash when unplug the mouse with pointer in the window.

BUG=https://bugs.tizen.org/jira/browse/TC-341
Merge pull request #2238 from shawngao5/enable_testing

[Android] Enable instrument test for Contacts API.
Merge pull request #2204 from shawngao5/ringtone

[Tizen] Remove Ringtone from virtual root
Merge pull request #2230 from js0701/disable-extension

[Android] add xwalk disable extension switch for disable all XWalk extensions for Android
Merge pull request #2245 from jinbang/move_test_to_internal

[Android] Move some tests to internal shell test
Merge pull request #1991 from wuhengzhi/onProgressChanged_test

[Android] Add test case for onProgressChanged().