MAGETWO-94083: Impossible get information about static errors on PR

- create empty report file for the case when there no php and phtml files

Author: melnikovi

dev/tests/static/phpunit-all.xml.dist

@@ -21,6 +21,6 @@
     <php>
         <ini name="date.timezone" value="America/Los_Angeles"/>
         <!-- TESTCODESTYLE_IS_FULL_SCAN - specify if full scan should be performed for test code style test -->
-        <const name="TESTCODESTYLE_IS_FULL_SCAN" value="1"/>
+        <const name="TESTCODESTYLE_IS_FULL_SCAN" value="0"/>
     </php>
 </phpunit>

dev/tests/static/phpunit.xml.dist

@@ -31,7 +31,7 @@
     <php>
         <ini name="date.timezone" value="America/Los_Angeles"/>
         <!-- TESTCODESTYLE_IS_FULL_SCAN - specify if full scan should be performed for test code style test -->
-        <const name="TESTCODESTYLE_IS_FULL_SCAN" value="1"/>
+        <const name="TESTCODESTYLE_IS_FULL_SCAN" value="0"/>
         <!-- TESTS_COMPOSER_PATH - specify the path to composer binary, if a relative reference cannot be resolved -->
         <!--<const name="TESTS_COMPOSER_PATH" value="/usr/local/bin/composer"/>-->
     </php>