FastVector capacity increase is a function call FastVector::ensure_capacity() gets inlined in many places, but capacity increase is a rarely needed case. Move code to increase_capacity and make it a function call. This reduces the size of a release Android .so by ~14KB. Bug: angleproject:394848869 Change-Id: Iefb5fe894d8c8eaba2d251502925de453290bc31 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6236800 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Roman Lavrov <romanl@google.com>