Roll dng_sdk to quiet warnings

These don't show up on the bots with -Werror/-isystem,
but they bug me on local builds where I've forgotten
to set werror = true.

Change-Id: Ief11bb34ca77509441bb4c3874e93de3c51638c6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225403
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
diff --git a/DEPS b/DEPS
index 66251bd..382d541 100644
--- a/DEPS
+++ b/DEPS
@@ -8,7 +8,7 @@
   "buildtools"                            : "https://chromium.googlesource.com/chromium/buildtools.git@505de88083136eefd056e5ee4ca0f01fe9b33de8",
   "common"                                : "https://skia.googlesource.com/common.git@9737551d7a52c3db3262db5856e6bcd62c462b92",
   "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@a1b6761e6e3c55bb058ccd413d962a0a4ccfe12b",
-  "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@96443b262250c390b0caefbf3eed8463ba35ecae",
+  "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b",
   "third_party/externals/egl-registry"    : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",
   "third_party/externals/expat"           : "https://android.googlesource.com/platform/external/expat.git@android-6.0.1_r55",
   "third_party/externals/freetype"        : "https://skia.googlesource.com/third_party/freetype2.git@7edc937fe679d14d66f55cf6f7fa607925d38f3c",