Remove references to (unused) colortables

Test: make

Change-Id: Ia1b20b3229bdad8c2dcc8594c9dd22f44c8f529e
diff --git a/libs/hwui/hwui/Bitmap.cpp b/libs/hwui/hwui/Bitmap.cpp
index 3a8914e..3361fa0 100644
--- a/libs/hwui/hwui/Bitmap.cpp
+++ b/libs/hwui/hwui/Bitmap.cpp
@@ -168,7 +168,7 @@
     // really hard to work with. Skia really, really wants immutable objects,
     // but with the nested-ref-count hackery going on that's just not
     // feasible without going insane trying to figure it out
-    this->android_only_reset(mInfo.width(), mInfo.height(), rowBytes, nullptr);
+    this->android_only_reset(mInfo.width(), mInfo.height(), rowBytes);
 }
 
 Bitmap::Bitmap(void* address, size_t size, const SkImageInfo& info, size_t rowBytes)
@@ -201,8 +201,7 @@
 
 Bitmap::Bitmap(GraphicBuffer* buffer, const SkImageInfo& info)
         : SkPixelRef(info.width(), info.height(), nullptr,
-                     bytesPerPixel(buffer->getPixelFormat()) * buffer->getStride(),
-                     nullptr)
+                     bytesPerPixel(buffer->getPixelFormat()) * buffer->getStride())
         , mInfo(validateAlpha(info))
         , mPixelStorageType(PixelStorageType::Hardware) {
     mPixelStorage.hardware.buffer = buffer;