(This is a merge of http://go/wvgerrit/101423 to Android.) This header was missing. On the STL used inside Google, it gets included transitively, but this is not guaranteed and broke in a partner's STL. Bug: 154185251 Test: Android Build Test: CE CDM Build and Unit Tests Change-Id: If8df7e288073e69250f98d67f732804a955bbaa3