media: Move widevine CDM targets to WidevineCdm folder

media/cdm/ppapi/BUILD.gn

Index: media/cdm/ppapi/BUILD.gn
diff --git a/media/cdm/ppapi/BUILD.gn b/media/cdm/ppapi/BUILD.gn
index 20deaab7a71dd61e93cde763baa105fdd735a8ec..93332abbdf0d40bf7f71b2a1df9476631a26df3b 100644
--- a/media/cdm/ppapi/BUILD.gn
+++ b/media/cdm/ppapi/BUILD.gn
@@ -11,6 +11,7 @@ import("//media/media_options.gni")
 # "use_vpx". These should be added here if necessary but its not clear if
 # they are required any more.
 shared_library("clearkeycdm") {
+  output_dir = "$root_out_dir/ClearKeyCdm"
   sources = [
     "cdm_file_io_test.cc",
     "cdm_file_io_test.h",
@@ -59,6 +60,8 @@ process_version("clearkeycdmadapter_resources") {
 }
 
 ppapi_cdm_adapter("clearkeycdmadapter") {
+  output_dir = "$root_out_dir/ClearKeyCdm"
+
   # Check whether the plugin's origin URL is valid.
   defines = [ "CHECK_DOCUMENT_URL" ]
   deps = [