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]);
diff --git a/libs/hwui/jni/Movie.h b/libs/hwui/jni/Movie.h
index 02113dd..d633d93 100644
--- a/libs/hwui/jni/Movie.h
+++ b/libs/hwui/jni/Movie.h
@@ -19,6 +19,8 @@
 
 class Movie : public SkRefCnt {
 public:
+    using MSec = uint32_t; // millisecond duration
+
     /** Try to create a movie from the stream. If the stream format is not
         supported, return NULL.
     */
@@ -36,7 +38,7 @@
     */
     static Movie* DecodeMemory(const void* data, size_t length);
 
-    SkMSec  duration();
+    MSec    duration();
     int     width();
     int     height();
     int     isOpaque();
@@ -46,21 +48,21 @@
         bitmap/frame from the previous state (i.e. true means you need to
         redraw).
     */
-    bool setTime(SkMSec);
+    bool setTime(MSec);
 
     // return the right bitmap for the current time code
     const SkBitmap& bitmap();
 
 protected:
     struct Info {
-        SkMSec  fDuration;
+        MSec    fDuration;
         int     fWidth;
         int     fHeight;
         bool    fIsOpaque;
     };
 
     virtual bool onGetInfo(Info*) = 0;
-    virtual bool onSetTime(SkMSec) = 0;
+    virtual bool onSetTime(MSec) = 0;
     virtual bool onGetBitmap(SkBitmap*) = 0;
 
     // visible for subclasses
@@ -68,7 +70,7 @@
 
 private:
     Info        fInfo;
-    SkMSec      fCurrTime;
+    MSec        fCurrTime;
     SkBitmap    fBitmap;
     bool        fNeedBitmap;
 
diff --git a/libs/hwui/jni/MovieImpl.cpp b/libs/hwui/jni/MovieImpl.cpp
index abb75fa..a31a15f 100644
--- a/libs/hwui/jni/MovieImpl.cpp
+++ b/libs/hwui/jni/MovieImpl.cpp
@@ -11,7 +11,7 @@
 
 // We should never see this in normal operation since our time values are
 // 0-based. So we use it as a sentinel.
-#define UNINITIALIZED_MSEC ((SkMSec)-1)
+#define UNINITIALIZED_MSEC ((Movie::MSec)-1)
 
 Movie::Movie()
 {
@@ -26,7 +26,7 @@
         memset(&fInfo, 0, sizeof(fInfo));   // failure
 }
 
-SkMSec Movie::duration()
+Movie::MSec Movie::duration()
 {
     this->ensureInfo();
     return fInfo.fDuration;
@@ -50,9 +50,9 @@
     return fInfo.fIsOpaque;
 }
 
-bool Movie::setTime(SkMSec time)
+bool Movie::setTime(Movie::MSec time)
 {
-    SkMSec dur = this->duration();
+    Movie::MSec dur = this->duration();
     if (time > dur)
         time = dur;