Roll third_party/minigbm 3cb5bba..ff1ecaf

$ git log --oneline 3cb5bbacc5c8a79105c868875222696f6b9d8296...ff1ecaf1014df4cb9ca36c5a270647a9934aaa99
ff1ecaf minigbm: fixup! align minigbm functions names with upstream libgbm
79205a5 minigbm: align minigbm functions names with upstream libgbm
faeb009 minigbm: Opening new fd for dri backend
a047d41 minigbm: increment ref count in drv_bo_import
dc8554f minigbm: amdgpu: align the stride to 256
1805a9b msm: allow allocation of NV12 dumb buffers
dea0ccb minigbm: Add BO_USE_HW_VIDEO_DECODER to supported flags
a8a3895 minigbm: close bo handle in bo destroy
293d9e3 minigbm: DRM_FORMAT_BGR888 for amdgpu
9924776 minigbm: Build fix for arm64
abe44f6 minigbm: add support for BG24
6bd7885 minigbm: run clang-format

Bug: 820047, 869206
Change-Id: I512b35c7821fd3221a97592006de5279b414dd01
Reviewed-on: https://chromium-review.googlesource.com/1169821
Commit-Queue: Maksim Sisov <msisov@igalia.com>
Reviewed-by: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582875}

DEPS

@@ -858,7 +858,7 @@ deps = {
 
   # Graphics buffer allocator for Chrome OS.
   'src/third_party/minigbm/src': {
-      'url': Var('chromium_git') + '/chromiumos/platform/minigbm.git' + '@' + '3cb5bbacc5c8a79105c868875222696f6b9d8296',
+      'url': Var('chromium_git') + '/chromiumos/platform/minigbm.git' + '@' + 'ff1ecaf1014df4cb9ca36c5a270647a9934aaa99',
       'condition': 'checkout_linux',
   },