Update buildtools to f8fc76ea5ce4a60cda2fa5d7df3d4a62935b3113
Update buildtools to f8fc76ea5ce4a60cda2fa5d7df3d4a62935b3113

The only thing relevant to Crashpad in the window is:

222bd42ce39d roll clang-format 242086:r258123

Change-Id: Ia175470c12f61ef4dac0e1417143d3cac9d16765
Reviewed-on: https://chromium-review.googlesource.com/368690
Reviewed-by: Scott Graham <e134406e1863f3b48b0795831afac5c0595efb36@chromium.org>

atom/crashpad,chromium/crashpad,atom/crashpad,atom/crashpad,chromium/crashpad,chromium/crashpad