Add Crashpad to Qt Creator and Qt Design Studio

Fixes: QDS-2748
Change-Id: I87e25682f066d167eebfd7b78c46c166e5062e11
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/coreplugin/icore.h

@@ -99,6 +99,7 @@ public:
     static QString cacheResourcePath();
     static QString installerResourcePath();
     static QString libexecPath();
+    static QString crashReportsPath();
 
     static QString versionString();