Add @UnsupportedAppUsage annotations

For all remaining unannotated code.

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: I32861fa341a08f11a9c50c07a1ef7404dadf6bb6
Merged-In: I67c8b71ea535ebffb10bf577948bd4ccb8ca069d

graphics/java/android/graphics/ColorMatrixColorFilter.java

@@ -107,6 +107,7 @@ public class ColorMatrixColorFilter extends ColorFilter {
      *
      * @hide
      */
+    @UnsupportedAppUsage
     public void setColorMatrixArray(@Nullable float[] array) {
         // called '...Array' so that passing null isn't ambiguous
         discardNativeInstance();

graphics/java/android/graphics/FontFamily.java

@@ -52,6 +52,7 @@ public class FontFamily {
     /**
      * @hide
      */
+    @UnsupportedAppUsage
     public long mNativePtr;
 
     // Points native font family builder. Must be zero after freezing this family.

graphics/java/android/graphics/FontListParser.java

@@ -16,6 +16,7 @@
 
 package android.graphics;
 
+import android.annotation.UnsupportedAppUsage;
 import android.graphics.fonts.FontVariationAxis;
 import android.text.FontConfig;
 import android.util.Xml;
@@ -37,6 +38,7 @@ import java.util.regex.Pattern;
 public class FontListParser {
 
     /* Parse fallback list (no names) */
+    @UnsupportedAppUsage
     public static FontConfig parse(InputStream in) throws XmlPullParserException, IOException {
         try {
             XmlPullParser parser = Xml.newPullParser();