Specify bit depth and color space in SkImage::MakeFromPicture()

BUG=skia:

Change-Id: I1d2a2b1f97557fc3e7ca6c2bdad6329f7760dbd2
Reviewed-on: https://skia-review.googlesource.com/6685
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/tests/ImageTest.cpp b/tests/ImageTest.cpp
index 161dff8..4f9d944 100644
--- a/tests/ImageTest.cpp
+++ b/tests/ImageTest.cpp
@@ -130,7 +130,7 @@
     SkCanvas* canvas = recorder.beginRecording(10, 10);
     canvas->clear(SK_ColorCYAN);
     return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(), SkISize::Make(10, 10),
-                                    nullptr, nullptr,
+                                    nullptr, nullptr, SkImage::BitDepth::kU8,
                                     SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named));
 };
 #endif