Remove unused leanback java groups.

Bug: 1052460
Change-Id: Id3d82593c2cd0a54f6f5df5a9cea65838f14fd8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2089981Reviewed-by: Peter Wen <wnwen@chromium.org>
Reviewed-by: Simeon Anfinrud <sanfin@chromium.org>
Commit-Queue: benjamin joyce <bjoyce@google.com>
Cr-Commit-Position: refs/heads/master@{#747913}

third_party/android_deps/BUILD.gn

@@ -187,16 +187,6 @@ java_group("com_android_support_interpolator_java") {
   ]
 }
 
-java_group("com_android_support_leanback_v17_java") {
-  deps = [
-    ":${target_name}_orig__unpack_aar",
-    ":androidx_leanback_leanback_java",
-  ]
-  input_jars_paths = [
-    "${target_out_dir}/com_android_support_leanback_v17_java_orig/classes.jar",
-  ]
-}
-
 java_group("com_android_support_loader_java") {
   deps = [
     ":${target_name}_orig__unpack_aar",
@@ -241,14 +231,6 @@ java_group("com_android_support_palette_v7_java") {
   ]
 }
 
-java_group("com_android_support_preference_leanback_v17_java") {
-  deps = [
-    ":${target_name}_orig__unpack_aar",
-    ":androidx_leanback_leanback_preference_java",
-  ]
-  input_jars_paths = [ "${target_out_dir}/com_android_support_preference_leanback_v17_java_orig/classes.jar" ]
-}
-
 java_group("com_android_support_preference_v14_java") {
   deps = [
     ":${target_name}_orig__unpack_aar",
@@ -388,10 +370,10 @@ java_group("android_support_v14_preference_java") {
   input_jars_paths = [ "${target_out_dir}/com_android_support_preference_v14_java_orig/classes.jar" ]
 }
 java_group("android_support_v17_leanback_java") {
-  deps = [ ":com_android_support_leanback_v17_java" ]
+  deps = [ ":androidx_leanback_leanback_java" ]
 }
 java_group("android_support_v17_preference_java") {
-  deps = [ ":com_android_support_preference_leanback_v17_java" ]
+  deps = [ ":androidx_leanback_leanback_preference_java" ]
 }
 
 java_annotation_processor("auto_service_processor") {