Change over-long logging tag.

Logging tags should be, at most, 20 characters.

BUG=1002262

Change-Id: I9f73e2656df2374c5fe70e1fe442291d5b64f7ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2099235
Commit-Queue: Adam Langley <agl@chromium.org>
Reviewed-by: Martin Kreichgauer <martinkr@google.com>
Cr-Commit-Position: refs/heads/master@{#749449}

chrome/android/features/cablev2_authenticator/internal/java/src/org/chromium/chrome/browser/webauth/authenticator/BLEHandler.java

@@ -43,7 +43,7 @@ import java.util.UUID;
 class BLEHandler extends BluetoothGattServerCallback implements Closeable {
     // TODO: remove @TargetApi once 21 is the minimum, Clank-wide.
 
-    private static final String TAG = "AuthenticatorBLEHandler";
+    private static final String TAG = "CableBLEHandler";
     // These UUIDs are taken from the FIDO spec[1], save for the caBLE UUID
     // which is allocated to Google. See
     // https://fidoalliance.org/specs/fido-v2.0-ps-20190130/fido-client-to-authenticator-protocol-v2.0-ps-20190130.html#ble