[MS21] Remove DataUnit dependency

DataUnit is a hidden class, remove the references to
it from files that about to be moved into the module.

Test: TH
Bug: 204830222

Change-Id: Ibfb82ab74f283686fb2af6c3a550d541440c890d
diff --git a/framework-t/src/android/app/usage/NetworkStatsManager.java b/framework-t/src/android/app/usage/NetworkStatsManager.java
index ca83309..82c72ab 100644
--- a/framework-t/src/android/app/usage/NetworkStatsManager.java
+++ b/framework-t/src/android/app/usage/NetworkStatsManager.java
@@ -47,7 +47,6 @@
 import android.os.RemoteException;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
-import android.util.DataUnit;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -119,7 +118,7 @@
      * is reached.
      * @hide
      */
-    public static final long MIN_THRESHOLD_BYTES = DataUnit.MEBIBYTES.toBytes(2);
+    public static final long MIN_THRESHOLD_BYTES = 2 * 1_048_576L; // 2MiB
 
     private final Context mContext;
     private final INetworkStatsService mService;
diff --git a/framework-t/src/android/net/TrafficStats.java b/framework-t/src/android/net/TrafficStats.java
index fa65061..d8feb88 100644
--- a/framework-t/src/android/net/TrafficStats.java
+++ b/framework-t/src/android/net/TrafficStats.java
@@ -29,7 +29,6 @@
 import android.os.Build;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.util.DataUnit;
 
 import com.android.server.NetworkManagementSocketTagger;
 
@@ -59,19 +58,19 @@
      */
     public final static int UNSUPPORTED = -1;
 
-    /** @hide @deprecated use {@link DataUnit} instead to clarify SI-vs-IEC */
+    /** @hide @deprecated use {@code DataUnit} instead to clarify SI-vs-IEC */
     @Deprecated
     public static final long KB_IN_BYTES = 1024;
-    /** @hide @deprecated use {@link DataUnit} instead to clarify SI-vs-IEC */
+    /** @hide @deprecated use {@code DataUnit} instead to clarify SI-vs-IEC */
     @Deprecated
     public static final long MB_IN_BYTES = KB_IN_BYTES * 1024;
-    /** @hide @deprecated use {@link DataUnit} instead to clarify SI-vs-IEC */
+    /** @hide @deprecated use {@code DataUnit} instead to clarify SI-vs-IEC */
     @Deprecated
     public static final long GB_IN_BYTES = MB_IN_BYTES * 1024;
-    /** @hide @deprecated use {@link DataUnit} instead to clarify SI-vs-IEC */
+    /** @hide @deprecated use {@code DataUnit} instead to clarify SI-vs-IEC */
     @Deprecated
     public static final long TB_IN_BYTES = GB_IN_BYTES * 1024;
-    /** @hide @deprecated use {@link DataUnit} instead to clarify SI-vs-IEC */
+    /** @hide @deprecated use {@code DataUnit} instead to clarify SI-vs-IEC */
     @Deprecated
     public static final long PB_IN_BYTES = TB_IN_BYTES * 1024;