Move some members to the "Q blacklist".

Based on some analysis, these fields/methods are likely false positives.
Set maxTargetSdk=P so that any apps using them are required to migrate off
them in future. See the bug for more details.

Exempted-From-Owner-Approval: Automatic changes to the codebase
affecting only @UnsupportedAppUsage annotations, themselves added
without requiring owners approval earlier.

Bug: 115609023
Test: m
Change-Id: I719b5c94e5b1f4fa562dd5d655953422958ad37e

graphics/java/android/graphics/BitmapRegionDecoder.java

@@ -17,6 +17,7 @@ package android.graphics;
 
 import android.annotation.UnsupportedAppUsage;
 import android.content.res.AssetManager;
+import android.os.Build;
 
 import java.io.FileDescriptor;
 import java.io.FileInputStream;
@@ -166,7 +167,7 @@ public final class BitmapRegionDecoder {
 
         This can be called from JNI code.
     */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
     private BitmapRegionDecoder(long decoder) {
         mNativeBitmapRegionDecoder = decoder;
         mRecycled = false;