Stop using finalizer in Typeface and FontFamily

Use NativeAllocationRegistry instead.

Verified this doesn't cause performance regressions:

StaticLayout creation time:
 MeasuredText Balanced Hyphenation  :    721,055 ->    723,812: (+0.4%)
 MeasuredText Balanced NoHyphenation:    527,880 ->    505,843: (-4.2%)
 MeasuredText Greedy Hyphenation    :    476,982 ->    460,241: (-3.5%)
 MeasuredText Greedy NoHyphenation  :    471,074 ->    459,013: (-2.6%)
 RandomText Balanced Hyphenation    : 18,566,915 -> 18,514,633: (-0.3%)
 RandomText Balanced NoHyphenation  :  7,697,772 ->  7,658,458: (-0.5%)
 RandomText Greedy Hyphenation      :  7,648,606 ->  7,602,026: (-0.6%)
 RandomText Greedy NoHyphenation    :  7,643,946 ->  7,618,898: (-0.3%)

MeasuredText creation time:
 NoStyled Hyphenation               : 18,377,293 -> 18,521,296: (+0.8%)
 NoStyled Hyphenation WidthOnly     : 17,852,099 -> 17,889,073: (+0.2%)
 NoStyled NoHyphenation             :  7,608,972 ->  7,614,311: (+0.1%)
 NoStyled NoHyphenation WidthOnly   :  7,194,461 ->  7,192,043: (-0.0%)
 Styled Hyphenation                 : 15,396,698 -> 15,352,501: (-0.3%)
 Styled Hyphenation WidthOnly       : 14,356,020 -> 14,379,205: (+0.2%)
 Styled NoHyphenation               : 14,926,657 -> 14,971,723: (+0.3%)
 Styled NoHyphenation WidthOnly     : 13,964,537 -> 13,874,324: (-0.6%)

StaticLayout draw time:
 MeasuredText NoStyled              :    644,795 ->    635,241: (-1.5%)
 MeasuredText NoStyled WithoutCache :    637,943 ->    616,369: (-3.4%)
 MeasuredText Styled                :    866,664 ->    860,322: (-0.7%)
 MeasuredText Styled WithoutCache   :    917,795 ->    897,164: (-2.2%)
 RandomText NoStyled                :    538,196 ->    533,253: (-0.9%)
 RandomText NoStyled WithoutCache   :  7,012,076 ->  7,047,498: (+0.5%)
 RandomText Styled                  :  3,011,941 ->  2,999,661: (-0.4%)
 RandomText Styled WithoutCache     :  3,486,225 ->  3,462,493: (-0.7%)

Bug: 70185027
Test: atest CtsWidgetTestCases:EditTextTest
    CtsWidgetTestCases:TextViewFadingEdgeTest
    FrameworksCoreTests:TextViewFallbackLineSpacingTest
    FrameworksCoreTests:TextViewTest FrameworksCoreTests:TypefaceTest
    CtsGraphicsTestCases:TypefaceTest CtsWidgetTestCases:TextViewTest
    CtsTextTestCases

Change-Id: I7ebb8a219a8eb07c8ad9fa432e8454e4e06be386

graphics/java/android/graphics/FontFamily.java

@@ -24,6 +24,8 @@ import android.util.Log;
 
 import dalvik.annotation.optimization.CriticalNative;
 
+import libcore.util.NativeAllocationRegistry;
+
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -38,6 +40,14 @@ public class FontFamily {
 
     private static String TAG = "FontFamily";
 
+    private static final NativeAllocationRegistry sBuilderRegistry = new NativeAllocationRegistry(
+            FontFamily.class.getClassLoader(), nGetBuilderReleaseFunc(), 64);
+
+    private @Nullable Runnable mNativeBuilderCleaner;
+
+    private static final NativeAllocationRegistry sFamilyRegistry = new NativeAllocationRegistry(
+            FontFamily.class.getClassLoader(), nGetFamilyReleaseFunc(), 64);
+
     /**
      * @hide
      */
@@ -48,6 +58,7 @@ public class FontFamily {
 
     public FontFamily() {
         mBuilderPtr = nInitBuilder(null, 0);
+        mNativeBuilderCleaner = sBuilderRegistry.registerNativeAllocation(this, mBuilderPtr);
     }
 
     public FontFamily(@Nullable String[] langs, int variant) {
@@ -60,6 +71,7 @@ public class FontFamily {
             langsString = TextUtils.join(",", langs);
         }
         mBuilderPtr = nInitBuilder(langsString, variant);
+        mNativeBuilderCleaner = sBuilderRegistry.registerNativeAllocation(this, mBuilderPtr);
     }
 
     /**
@@ -73,7 +85,11 @@ public class FontFamily {
             throw new IllegalStateException("This FontFamily is already frozen");
         }
         mNativePtr = nCreateFamily(mBuilderPtr);
+        mNativeBuilderCleaner.run();
         mBuilderPtr = 0;
+        if (mNativePtr != 0) {
+            sFamilyRegistry.registerNativeAllocation(this, mNativePtr);
+        }
         return mNativePtr != 0;
     }
 
@@ -81,24 +97,10 @@ public class FontFamily {
         if (mBuilderPtr == 0) {
             throw new IllegalStateException("This FontFamily is already frozen or abandoned");
         }
-        nAbort(mBuilderPtr);
+        mNativeBuilderCleaner.run();
         mBuilderPtr = 0;
     }
 
-    @Override
-    protected void finalize() throws Throwable {
-        try {
-            if (mNativePtr != 0) {
-                nUnrefFamily(mNativePtr);
-            }
-            if (mBuilderPtr != 0) {
-                nAbort(mBuilderPtr);
-            }
-        } finally {
-            super.finalize();
-        }
-    }
-
     public boolean addFont(String path, int ttcIndex, FontVariationAxis[] axes, int weight,
             int italic) {
         if (mBuilderPtr == 0) {
@@ -171,10 +173,10 @@ public class FontFamily {
     private static native long nCreateFamily(long mBuilderPtr);
 
     @CriticalNative
-    private static native void nAbort(long mBuilderPtr);
+    private static native long nGetBuilderReleaseFunc();
 
     @CriticalNative
-    private static native void nUnrefFamily(long nativePtr);
+    private static native long nGetFamilyReleaseFunc();
     // By passing -1 to weigth argument, the weight value is resolved by OS/2 table in the font.
     // By passing -1 to italic argument, the italic value is resolved by OS/2 table in the font.
     private static native boolean nAddFont(long builderPtr, ByteBuffer font, int ttcIndex,