Add androidx dependency to webrtc

Bug: chromium:1175056
Change-Id: Iaf7017d28971b72eb5f5ce8d277974fe330e930e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/205983
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Andrey Logvin <landrey@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33179}

DEPS

diff --git a/DEPS b/DEPS
index 14ae70d..c266492 100644
--- a/DEPS
+++ b/DEPS
@@ -354,6 +354,17 @@
       'condition': 'checkout_android',
   },
 
+  'src/third_party/androidx': {
+    'packages': [
+      {
+          'package': 'chromium/third_party/androidx',
+          'version': 'zGdAyNdySwhTXOWTtAushFRKlDwCWGcYSWiaS2R5m8YC',
+      },
+    ],
+    'condition': 'checkout_android',
+    'dep_type': 'cipd',
+  },
+
   'src/third_party/android_sdk/public': {
       'packages': [
           {