Roll GN from ab32747a..d0a6f072

Generated by //tools/gn/roll_gn.py

https://gn.googlesource.com/gn/+log/ab32747a..d0a6f072

    d0a6f072 Add weak_frameworks linking option
    3cbdb628 Add xcasset_compiler_flags variable to create_bundle target

Bug: chromium:1082896
Change-Id: I62ba729a2aaf53206fd6f3cb450dadd44745d1d0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2209333
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770338}

DEPS

@@ -336,7 +336,7 @@ vars = {
   # revisions.
 
   # GN CIPD package version.
-  'gn_version': 'git_revision:ab32747ae7a399c57b04280f38e49b8fdf237a8a',
+  'gn_version': 'git_revision:d0a6f072070988e7b038496c4e7d6c562b649732',
 
   # Also, if you change these, update buildtools/DEPS too. Also update the
   # libc++ svn_revision in //buildtools/deps_revisions.gni.

buildtools/DEPS

@@ -14,7 +14,7 @@ vars = {
   #
 
   # GN CIPD package version.
-  'gn_version': 'git_revision:ab32747ae7a399c57b04280f38e49b8fdf237a8a',
+  'gn_version': 'git_revision:d0a6f072070988e7b038496c4e7d6c562b649732',
 
   # When changing these, also update the svn revisions in deps_revisions.gni
   'clang_format_revision': '96636aa0e9f047f17447f2d45a094d0b59ed7917',