Rename intent filter category for splash screens

Forgot to rename this one as well to androidx.

Bug: 856544
Change-Id: I294cff1ff1891f82d3c092c796c642a0f2c35ebc
Reviewed-on: https://chromium-review.googlesource.com/c/custom-tabs-client/+/1554700
Reviewed-by: Peter Conn <peconn@chromium.org>
Commit-Queue: Pavel Shmakov <pshmakov@chromium.org>

customtabs/src/android/support/customtabs/TrustedWebUtils.java

diff --git a/customtabs/src/android/support/customtabs/TrustedWebUtils.java b/customtabs/src/android/support/customtabs/TrustedWebUtils.java
index c6606ce..69fb4fd 100644
--- a/customtabs/src/android/support/customtabs/TrustedWebUtils.java
+++ b/customtabs/src/android/support/customtabs/TrustedWebUtils.java
@@ -212,7 +212,7 @@
          * - {@link SplashScreenParamKey#IMAGE_TRANSFORMATION_MATRIX}
          * - {@link SplashScreenParamKey#FADE_OUT_DURATION_MS}.
          */
-        String V1 = "android.support.customtabs.category.TrustedWebActivitySplashScreensV1";
+        String V1 = "androidx.browser.trusted.category.TrustedWebActivitySplashScreensV1";
     }
 
     private TrustedWebUtils() {}