Roll R8 and D8 1.4.14 -> 1.5.18

Bug: 952640
Change-Id: I70eb96b3c7ba10df0ecc448316d87a5869a3e3cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1567895
Commit-Queue: Sam Maier <smaier@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Auto-Submit: Sam Maier <smaier@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#650945}

DEPS

@@ -1256,7 +1256,7 @@ deps = {
       'packages': [
           {
               'package': 'chromium/third_party/r8',
-              'version': 'SlcbUnEufAQ-iuOwGOl8yYQuctmpf7bMqh59kBfpil0C',
+              'version': 'BReCwfbVwCNM2Ry4QpnrwlE3Y5gPJ2rRoyMbxFS0-4UC',
           },
       ],
       'condition': 'checkout_android',

third_party/r8/README.chromium

 Name: R8
 URL: https://r8.googlesource.com/r8
 Revision: 03ab76ff37d7995f76b639dec680cd49ff6fbc41
-Version: 1.4.14-dev
+Version: 1.5.18-dev
 License: BSD 3-Clause
 License File: NOT_SHIPPED
 Security Critical: no