Roll external/abseil_cpp/ 7316f5616..9e3b68ac3 (2 commits)

abseil/abseil-cpp@7316f56...9e3b68a

Created with:
  roll-dep external/abseil_cpp

DEPS

@@ -3,7 +3,7 @@ use_relative_paths = True
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': '7316f5616bad0a794b2a75901cc20b0099718085',
+  'abseil_revision': '9e3b68ac3b328212e4ad7baada1523a05f615dde',
 
   'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',