detach -> release

The C++ standard library uses the name "release" for the operation we call "detach".

Rewriting each "detach(" to "release(" brings us a step closer to using standard library types directly (e.g. std::unique_ptr instead of SkAutoTDelete).

This was a fairly blind transformation.  There may have been unintentional conversions in here, but it's probably for the best to have everything uniformly say "release".

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1809733002

Review URL: https://codereview.chromium.org/1809733002
diff --git a/src/ports/SkFontMgr_custom.cpp b/src/ports/SkFontMgr_custom.cpp
index 7f3ce6b..158ba00 100644
--- a/src/ports/SkFontMgr_custom.cpp
+++ b/src/ports/SkFontMgr_custom.cpp
@@ -296,7 +296,7 @@
         SkFontStyle style;
         SkString name;
         if (fScanner.scanFont(stream, ttcIndex, &name, &style, &isFixedPitch, nullptr)) {
-            return new SkTypeface_Stream(style, isFixedPitch, false, name, stream.detach(),
+            return new SkTypeface_Stream(style, isFixedPitch, false, name, stream.release(),
                                          ttcIndex);
         } else {
             return nullptr;
@@ -305,7 +305,7 @@
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override {
         SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path));
-        return stream.get() ? this->createFromStream(stream.detach(), ttcIndex) : nullptr;
+        return stream.get() ? this->createFromStream(stream.release(), ttcIndex) : nullptr;
     }
 
     SkTypeface* onLegacyCreateTypeface(const char familyName[], unsigned styleBits) const override {
@@ -489,7 +489,7 @@
 
             SkTypeface_Custom* tf =
                     new SkTypeface_Stream(style, isFixedPitch, true,  // system-font (cannot delete)
-                                          realname, stream.detach(), faceIndex);
+                                          realname, stream.release(), faceIndex);
 
             SkFontStyleSet_Custom* addTo = find_family(*families, realname.c_str());
             if (nullptr == addTo) {