Remove references to SkMSec type

Skia wants to remove this from the public API:
https://skia-review.googlesource.com/c/skia/+/897150

Change-Id: Idef3d1d79014a10cfd1f1e2ad740666bebe6d3cf
Flag: EXEMPT refactor
diff --git a/libs/hwui/jni/GIFMovie.cpp b/libs/hwui/jni/GIFMovie.cpp
index ae6ac4c..6c82aa1 100644
--- a/libs/hwui/jni/GIFMovie.cpp
+++ b/libs/hwui/jni/GIFMovie.cpp
@@ -30,7 +30,7 @@
 
 protected:
     virtual bool onGetInfo(Info*);
-    virtual bool onSetTime(SkMSec);
+    virtual bool onSetTime(Movie::MSec);
     virtual bool onGetBitmap(SkBitmap*);
 
 private:
@@ -72,7 +72,7 @@
         DGifCloseFile(fGIF, nullptr);
 }
 
-static SkMSec savedimage_duration(const SavedImage* image)
+static Movie::MSec savedimage_duration(const SavedImage* image)
 {
     for (int j = 0; j < image->ExtensionBlockCount; j++)
     {
@@ -91,7 +91,7 @@
     if (nullptr == fGIF)
         return false;
 
-    SkMSec dur = 0;
+    Movie::MSec dur = 0;
     for (int i = 0; i < fGIF->ImageCount; i++)
         dur += savedimage_duration(&fGIF->SavedImages[i]);
 
@@ -102,12 +102,12 @@
     return true;
 }
 
-bool GIFMovie::onSetTime(SkMSec time)
+bool GIFMovie::onSetTime(Movie::MSec time)
 {
     if (nullptr == fGIF)
         return false;
 
-    SkMSec dur = 0;
+    Movie::MSec dur = 0;
     for (int i = 0; i < fGIF->ImageCount; i++)
     {
         dur += savedimage_duration(&fGIF->SavedImages[i]);