Revert "Remove FingerprintManager API."

Revert submission 26197163-remove-fpm

Reason for revert: Temporarily reverting until U branches are disconnected from main (b/326188442) around March 5th.

Reverted changes: /q/submissionid:26197163-remove-fpm

Change-Id: I4fdb64c90f25e84dac1b7aca306caa0c4c1ec139
diff --git a/core/api/current.txt b/core/api/current.txt
index 4a2abf6..84fbe1a 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -10732,6 +10732,7 @@
     field public static final String DROPBOX_SERVICE = "dropbox";
     field public static final String EUICC_SERVICE = "euicc";
     field public static final String FILE_INTEGRITY_SERVICE = "file_integrity";
+    field public static final String FINGERPRINT_SERVICE = "fingerprint";
     field public static final String GAME_SERVICE = "game";
     field public static final String GRAMMATICAL_INFLECTION_SERVICE = "grammatical_inflection";
     field public static final String HARDWARE_PROPERTIES_SERVICE = "hardware_properties";
@@ -20361,6 +20362,54 @@
 
 }
 
+package android.hardware.fingerprint {
+
+  @Deprecated public class FingerprintManager {
+    method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.USE_BIOMETRIC, android.Manifest.permission.USE_FINGERPRINT}) public void authenticate(@Nullable android.hardware.fingerprint.FingerprintManager.CryptoObject, @Nullable android.os.CancellationSignal, int, @NonNull android.hardware.fingerprint.FingerprintManager.AuthenticationCallback, @Nullable android.os.Handler);
+    method @Deprecated @RequiresPermission(android.Manifest.permission.USE_FINGERPRINT) public boolean hasEnrolledFingerprints();
+    method @Deprecated @RequiresPermission(android.Manifest.permission.USE_FINGERPRINT) public boolean isHardwareDetected();
+    field public static final int FINGERPRINT_ACQUIRED_GOOD = 0; // 0x0
+    field public static final int FINGERPRINT_ACQUIRED_IMAGER_DIRTY = 3; // 0x3
+    field public static final int FINGERPRINT_ACQUIRED_INSUFFICIENT = 2; // 0x2
+    field public static final int FINGERPRINT_ACQUIRED_PARTIAL = 1; // 0x1
+    field public static final int FINGERPRINT_ACQUIRED_TOO_FAST = 5; // 0x5
+    field public static final int FINGERPRINT_ACQUIRED_TOO_SLOW = 4; // 0x4
+    field public static final int FINGERPRINT_ERROR_CANCELED = 5; // 0x5
+    field public static final int FINGERPRINT_ERROR_HW_NOT_PRESENT = 12; // 0xc
+    field public static final int FINGERPRINT_ERROR_HW_UNAVAILABLE = 1; // 0x1
+    field public static final int FINGERPRINT_ERROR_LOCKOUT = 7; // 0x7
+    field public static final int FINGERPRINT_ERROR_LOCKOUT_PERMANENT = 9; // 0x9
+    field public static final int FINGERPRINT_ERROR_NO_FINGERPRINTS = 11; // 0xb
+    field public static final int FINGERPRINT_ERROR_NO_SPACE = 4; // 0x4
+    field public static final int FINGERPRINT_ERROR_TIMEOUT = 3; // 0x3
+    field public static final int FINGERPRINT_ERROR_UNABLE_TO_PROCESS = 2; // 0x2
+    field public static final int FINGERPRINT_ERROR_USER_CANCELED = 10; // 0xa
+    field public static final int FINGERPRINT_ERROR_VENDOR = 8; // 0x8
+  }
+
+  @Deprecated public abstract static class FingerprintManager.AuthenticationCallback {
+    ctor @Deprecated public FingerprintManager.AuthenticationCallback();
+    method @Deprecated public void onAuthenticationError(int, CharSequence);
+    method @Deprecated public void onAuthenticationFailed();
+    method @Deprecated public void onAuthenticationHelp(int, CharSequence);
+    method @Deprecated public void onAuthenticationSucceeded(android.hardware.fingerprint.FingerprintManager.AuthenticationResult);
+  }
+
+  @Deprecated public static class FingerprintManager.AuthenticationResult {
+    method @Deprecated public android.hardware.fingerprint.FingerprintManager.CryptoObject getCryptoObject();
+  }
+
+  @Deprecated public static final class FingerprintManager.CryptoObject {
+    ctor @Deprecated public FingerprintManager.CryptoObject(@NonNull java.security.Signature);
+    ctor @Deprecated public FingerprintManager.CryptoObject(@NonNull javax.crypto.Cipher);
+    ctor @Deprecated public FingerprintManager.CryptoObject(@NonNull javax.crypto.Mac);
+    method @Deprecated public javax.crypto.Cipher getCipher();
+    method @Deprecated public javax.crypto.Mac getMac();
+    method @Deprecated public java.security.Signature getSignature();
+  }
+
+}
+
 package android.hardware.input {
 
   public final class HostUsiVersion implements android.os.Parcelable {
diff --git a/core/api/removed.txt b/core/api/removed.txt
index c61f163..3c7c0d6 100644
--- a/core/api/removed.txt
+++ b/core/api/removed.txt
@@ -35,7 +35,6 @@
     method @Deprecated @Nullable public String getFeatureId();
     method public abstract android.content.SharedPreferences getSharedPreferences(java.io.File, int);
     method public abstract java.io.File getSharedPreferencesPath(String);
-    field public static final String FINGERPRINT_SERVICE = "fingerprint";
   }
 
   public class ContextWrapper extends android.content.Context {
@@ -146,54 +145,6 @@
 
 }
 
-package android.hardware.fingerprint {
-
-  @Deprecated public class FingerprintManager {
-    method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.USE_BIOMETRIC, android.Manifest.permission.USE_FINGERPRINT}) public void authenticate(@Nullable android.hardware.fingerprint.FingerprintManager.CryptoObject, @Nullable android.os.CancellationSignal, int, @NonNull android.hardware.fingerprint.FingerprintManager.AuthenticationCallback, @Nullable android.os.Handler);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.USE_FINGERPRINT) public boolean hasEnrolledFingerprints();
-    method @Deprecated @RequiresPermission(android.Manifest.permission.USE_FINGERPRINT) public boolean isHardwareDetected();
-    field public static final int FINGERPRINT_ACQUIRED_GOOD = 0; // 0x0
-    field public static final int FINGERPRINT_ACQUIRED_IMAGER_DIRTY = 3; // 0x3
-    field public static final int FINGERPRINT_ACQUIRED_INSUFFICIENT = 2; // 0x2
-    field public static final int FINGERPRINT_ACQUIRED_PARTIAL = 1; // 0x1
-    field public static final int FINGERPRINT_ACQUIRED_TOO_FAST = 5; // 0x5
-    field public static final int FINGERPRINT_ACQUIRED_TOO_SLOW = 4; // 0x4
-    field public static final int FINGERPRINT_ERROR_CANCELED = 5; // 0x5
-    field public static final int FINGERPRINT_ERROR_HW_NOT_PRESENT = 12; // 0xc
-    field public static final int FINGERPRINT_ERROR_HW_UNAVAILABLE = 1; // 0x1
-    field public static final int FINGERPRINT_ERROR_LOCKOUT = 7; // 0x7
-    field public static final int FINGERPRINT_ERROR_LOCKOUT_PERMANENT = 9; // 0x9
-    field public static final int FINGERPRINT_ERROR_NO_FINGERPRINTS = 11; // 0xb
-    field public static final int FINGERPRINT_ERROR_NO_SPACE = 4; // 0x4
-    field public static final int FINGERPRINT_ERROR_TIMEOUT = 3; // 0x3
-    field public static final int FINGERPRINT_ERROR_UNABLE_TO_PROCESS = 2; // 0x2
-    field public static final int FINGERPRINT_ERROR_USER_CANCELED = 10; // 0xa
-    field public static final int FINGERPRINT_ERROR_VENDOR = 8; // 0x8
-  }
-
-  @Deprecated public abstract static class FingerprintManager.AuthenticationCallback {
-    ctor public FingerprintManager.AuthenticationCallback();
-    method public void onAuthenticationError(int, CharSequence);
-    method public void onAuthenticationFailed();
-    method public void onAuthenticationHelp(int, CharSequence);
-    method public void onAuthenticationSucceeded(android.hardware.fingerprint.FingerprintManager.AuthenticationResult);
-  }
-
-  @Deprecated public static class FingerprintManager.AuthenticationResult {
-    method public android.hardware.fingerprint.FingerprintManager.CryptoObject getCryptoObject();
-  }
-
-  @Deprecated public static final class FingerprintManager.CryptoObject {
-    ctor public FingerprintManager.CryptoObject(@NonNull java.security.Signature);
-    ctor public FingerprintManager.CryptoObject(@NonNull javax.crypto.Cipher);
-    ctor public FingerprintManager.CryptoObject(@NonNull javax.crypto.Mac);
-    method public javax.crypto.Cipher getCipher();
-    method public javax.crypto.Mac getMac();
-    method public java.security.Signature getSignature();
-  }
-
-}
-
 package android.media {
 
   public final class AudioFormat implements android.os.Parcelable {
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index de4be3c..334d9e6 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -1706,6 +1706,15 @@
 
 }
 
+package android.hardware.fingerprint {
+
+  @Deprecated public class FingerprintManager {
+    method @Deprecated @NonNull @RequiresPermission(android.Manifest.permission.TEST_BIOMETRIC) public android.hardware.biometrics.BiometricTestSession createTestSession(int);
+    method @Deprecated @NonNull @RequiresPermission(android.Manifest.permission.TEST_BIOMETRIC) public java.util.List<android.hardware.biometrics.SensorProperties> getSensorProperties();
+  }
+
+}
+
 package android.hardware.hdmi {
 
   public final class HdmiControlServiceWrapper {
diff --git a/core/api/test-removed.txt b/core/api/test-removed.txt
index 2e44176..d802177 100644
--- a/core/api/test-removed.txt
+++ b/core/api/test-removed.txt
@@ -1,10 +1 @@
 // Signature format: 2.0
-package android.hardware.fingerprint {
-
-  @Deprecated public class FingerprintManager {
-    method @NonNull @RequiresPermission(android.Manifest.permission.TEST_BIOMETRIC) public android.hardware.biometrics.BiometricTestSession createTestSession(int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.TEST_BIOMETRIC) public java.util.List<android.hardware.biometrics.SensorProperties> getSensorProperties();
-  }
-
-}
-
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 58cea0d..ffe201b 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -5066,7 +5066,6 @@
      * {@link android.hardware.fingerprint.FingerprintManager} for handling management
      * of fingerprints.
      *
-     * @removed See {@link android.hardware.biometrics.BiometricPrompt}
      * @see #getSystemService(String)
      * @see android.hardware.fingerprint.FingerprintManager
      */
diff --git a/core/java/android/hardware/fingerprint/FingerprintManager.java b/core/java/android/hardware/fingerprint/FingerprintManager.java
index 5a38a34..fe7de83 100644
--- a/core/java/android/hardware/fingerprint/FingerprintManager.java
+++ b/core/java/android/hardware/fingerprint/FingerprintManager.java
@@ -83,8 +83,7 @@
 
 /**
  * A class that coordinates access to the fingerprint hardware.
- *
- * @removed See {@link BiometricPrompt} which shows a system-provided dialog upon starting
+ * @deprecated See {@link BiometricPrompt} which shows a system-provided dialog upon starting
  * authentication. In a world where devices may have different types of biometric authentication,
  * it's much more realistic to have a system-provided authentication dialog since the method may
  * vary by vendor/device.
@@ -95,6 +94,7 @@
 @RequiresFeature(PackageManager.FEATURE_FINGERPRINT)
 public class FingerprintManager implements BiometricAuthenticator, BiometricFingerprintConstants {
     private static final String TAG = "FingerprintManager";
+    private static final boolean DEBUG = true;
     private static final int MSG_ENROLL_RESULT = 100;
     private static final int MSG_ACQUIRED = 101;
     private static final int MSG_AUTHENTICATION_SUCCEEDED = 102;
@@ -196,7 +196,6 @@
 
     /**
      * Retrieves a test session for FingerprintManager.
-     *
      * @hide
      */
     @TestApi
@@ -255,10 +254,9 @@
     }
 
     /**
-     * A wrapper class for the crypto objects supported by FingerprintManager. Currently, the
+     * A wrapper class for the crypto objects supported by FingerprintManager. Currently the
      * framework supports {@link Signature}, {@link Cipher} and {@link Mac} objects.
-     *
-     * @removed See {@link android.hardware.biometrics.BiometricPrompt.CryptoObject}
+     * @deprecated See {@link android.hardware.biometrics.BiometricPrompt.CryptoObject}
      */
     @Deprecated
     public static final class CryptoObject extends android.hardware.biometrics.CryptoObject {
@@ -332,8 +330,7 @@
     /**
      * Container for callback data from {@link FingerprintManager#authenticate(CryptoObject,
      *     CancellationSignal, int, AuthenticationCallback, Handler)}.
-     *
-     * @removed See {@link android.hardware.biometrics.BiometricPrompt.AuthenticationResult}
+     * @deprecated See {@link android.hardware.biometrics.BiometricPrompt.AuthenticationResult}
      */
     @Deprecated
     public static class AuthenticationResult {
@@ -395,8 +392,7 @@
      * FingerprintManager#authenticate(CryptoObject, CancellationSignal,
      * int, AuthenticationCallback, Handler) } must provide an implementation of this for listening to
      * fingerprint events.
-     *
-     * @removed See {@link android.hardware.biometrics.BiometricPrompt.AuthenticationCallback}
+     * @deprecated See {@link android.hardware.biometrics.BiometricPrompt.AuthenticationCallback}
      */
     @Deprecated
     public static abstract class AuthenticationCallback
@@ -459,7 +455,6 @@
     /**
      * Callback structure provided for {@link #detectFingerprint(CancellationSignal,
      * FingerprintDetectionCallback, int, Surface)}.
-     *
      * @hide
      */
     public interface FingerprintDetectionCallback {
@@ -613,8 +608,7 @@
      *         by <a href="{@docRoot}training/articles/keystore.html">Android Keystore
      *         facility</a>.
      * @throws IllegalStateException if the crypto primitive is not initialized.
-     *
-     * @removed See {@link BiometricPrompt#authenticate(CancellationSignal, Executor,
+     * @deprecated See {@link BiometricPrompt#authenticate(CancellationSignal, Executor,
      * BiometricPrompt.AuthenticationCallback)} and {@link BiometricPrompt#authenticate(
      * BiometricPrompt.CryptoObject, CancellationSignal, Executor,
      * BiometricPrompt.AuthenticationCallback)}
@@ -629,7 +623,6 @@
     /**
      * Per-user version of authenticate.
      * @deprecated use {@link #authenticate(CryptoObject, CancellationSignal, AuthenticationCallback, Handler, FingerprintAuthenticateOptions)}.
-     *
      * @hide
      */
     @Deprecated
@@ -642,7 +635,6 @@
     /**
      * Per-user and per-sensor version of authenticate.
      * @deprecated use {@link #authenticate(CryptoObject, CancellationSignal, AuthenticationCallback, Handler, FingerprintAuthenticateOptions)}.
-     *
      * @hide
      */
     @Deprecated
@@ -659,7 +651,6 @@
 
     /**
      * Version of authenticate with additional options.
-     *
      * @hide
      */
     @RequiresPermission(anyOf = {USE_BIOMETRIC, USE_FINGERPRINT})
@@ -707,7 +698,6 @@
     /**
      * Uses the fingerprint hardware to detect for the presence of a finger, without giving details
      * about accept/reject/lockout.
-     *
      * @hide
      */
     @RequiresPermission(USE_BIOMETRIC_INTERNAL)
@@ -750,7 +740,6 @@
      * @param callback an object to receive enrollment events
      * @param shouldLogMetrics a flag that indicates if enrollment failure/success metrics
      * should be logged.
-     *
      * @hide
      */
     @RequiresPermission(MANAGE_FINGERPRINT)
@@ -820,7 +809,6 @@
     /**
      * Same as {@link #generateChallenge(int, GenerateChallengeCallback)}, but assumes the first
      * enumerated sensor.
-     *
      * @hide
      */
     @RequiresPermission(MANAGE_FINGERPRINT)
@@ -835,7 +823,6 @@
 
     /**
      * Revokes the specified challenge.
-     *
      * @hide
      */
     @RequiresPermission(MANAGE_FINGERPRINT)
@@ -861,7 +848,6 @@
      * @param sensorId Sensor ID that this operation takes effect for
      * @param userId User ID that this operation takes effect for.
      * @param hardwareAuthToken An opaque token returned by password confirmation.
-     *
      * @hide
      */
     @RequiresPermission(RESET_FINGERPRINT_LOCKOUT)
@@ -899,7 +885,6 @@
 
     /**
      * Removes all fingerprint templates for the given user.
-     *
      * @hide
      */
     @RequiresPermission(MANAGE_FINGERPRINT)
@@ -1019,7 +1004,6 @@
     /**
      * Forwards BiometricStateListener to FingerprintService
      * @param listener new BiometricStateListener being added
-     *
      * @hide
      */
     public void registerBiometricStateListener(@NonNull BiometricStateListener listener) {
@@ -1171,8 +1155,7 @@
     }
 
     /**
-     * This is triggered by SideFpsEventHandler.
-     *
+     * This is triggered by SideFpsEventHandler
      * @hide
      */
     @RequiresPermission(USE_BIOMETRIC_INTERNAL)
@@ -1185,8 +1168,7 @@
      * Determine if there is at least one fingerprint enrolled.
      *
      * @return true if at least one fingerprint is enrolled, false otherwise
-     *
-     * @removed See {@link BiometricPrompt} and
+     * @deprecated See {@link BiometricPrompt} and
      * {@link FingerprintManager#FINGERPRINT_ERROR_NO_FINGERPRINTS}
      */
     @Deprecated
@@ -1220,8 +1202,7 @@
      * Determine if fingerprint hardware is present and functional.
      *
      * @return true if hardware is present and functional, false otherwise.
-     *
-     * @removed See {@link BiometricPrompt} and
+     * @deprecated See {@link BiometricPrompt} and
      * {@link FingerprintManager#FINGERPRINT_ERROR_HW_UNAVAILABLE}
      */
     @Deprecated
@@ -1247,7 +1228,6 @@
 
     /**
      * Get statically configured sensor properties.
-     *
      * @hide
      */
     @RequiresPermission(USE_BIOMETRIC_INTERNAL)
@@ -1266,7 +1246,6 @@
     /**
      * Returns whether the device has a power button fingerprint sensor.
      * @return boolean indicating whether power button is fingerprint sensor
-     *
      * @hide
      */
     public boolean isPowerbuttonFps() {