media: Move widevine CDM targets to WidevineCdm folder

third_party/widevine/cdm/BUILD.gn

Index: third_party/widevine/cdm/BUILD.gn
diff --git a/third_party/widevine/cdm/BUILD.gn b/third_party/widevine/cdm/BUILD.gn
index e2093a58849f6d0cc6965b2e50b158468e05b35a..9a26d0bd70b58f6b31bb23e1dae2c70cc03bbace 100644
--- a/third_party/widevine/cdm/BUILD.gn
+++ b/third_party/widevine/cdm/BUILD.gn
@@ -67,7 +67,7 @@ if (widevine_cdm_binary_files != []) {
   copy("widevinecdm") {
     sources = widevine_cdm_binary_files
     outputs = [
-      "$root_out_dir/{{source_file_part}}",
+      "$root_out_dir/WidevineCdm/{{source_file_part}}",
     ]
 
     # TODO(jrummell)
@@ -77,6 +77,7 @@ if (widevine_cdm_binary_files != []) {
   assert(!is_chrome_branded, "Branded Chrome should have binary files to copy.")
   assert(!is_android, "Android should not have enable_pepper_cdms.")
   shared_library("widevinecdm") {
+    output_dir = "$root_out_dir/WidevineCdm"
     sources = [
       "//media/cdm/stub/stub_cdm.cc",
       "//media/cdm/stub/stub_cdm.h",
@@ -124,6 +125,7 @@ if ((is_chrome_branded || enable_widevine) && enable_pepper_cdms) {
 
   ppapi_cdm_adapter("widevinecdmadapter") {
     defines = []
+    output_dir = "$root_out_dir/WidevineCdm"
     deps = [
       ":version_h",
       ":widevinecdm",