Disabled flaky cr tests

CrElementsLottieTest.All and CrSettingsPasswordsSectionTest_Cros.All

TBR=dpapad@chromium.org

Bug: 1021474b
Change-Id: I25d075b7fb3e99eab14e14bb443f658bf6fd2f27
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1899609
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712534}

chrome/test/data/webui/cr_elements/cr_elements_browsertest.js

@@ -678,7 +678,7 @@ CrElementsLottieTest.prototype = {
   ]),
 };
 
-TEST_F('CrElementsLottieTest', 'All', function() {
+TEST_F('CrElementsLottieTest', 'DISABLED_All', function() {
   mocha.run();
 });
 GEN('#endif');

chrome/test/data/webui/settings/cr_settings_browsertest.js

@@ -391,7 +391,8 @@ CrSettingsPasswordsSectionTest_Cros.prototype = {
   ]),
 };
 
-TEST_F('CrSettingsPasswordsSectionTest_Cros', 'All', function() {
+
+TEST_F('CrSettingsPasswordsSectionTest_Cros', 'DISABLED_All', function() {
   mocha.run();
 });
 GEN('#endif  // defined(OS_CHROMEOS)');