Roll SwiftShader a0aa5fd..05bcbe6

https://swiftshader.googlesource.com/SwiftShader.git/+log/a0aa5fd..05bcbe6

BUG=

TBR=kbr@chromium.org

TEST=bots

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel,linux_chromium_cfi_rel_ng;master.tryserver.chromium.android:android_optional_gpu_tests_rel

Change-Id: I139cafc18b4884582b160f347c330329d1a42448
Reviewed-on: https://chromium-review.googlesource.com/806725Reviewed-by: Alexis Hétu <sugoi@chromium.org>
Commit-Queue: Alexis Hétu <sugoi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521511}

DEPS

@@ -94,7 +94,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': 'a0aa5fdeee12bc42616fe13ef3ea62edb1b9f166',
+  'swiftshader_revision': '05bcbe6b7a2dffc284b38ad0f2731d2894972cd8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.