cronet import: use public chromium repository as a source

rpc://chromium/chromium/src contains a partial mirror of the Chromium
repo. Unfortunately, the mirror cannot be used as it seems to have been
created with a different gclient config (i.e. target_os is not set to
'android').

Additionally, do not use partial_fetch as gclient requires a full
checkout.

Test: run import script.
Change-Id: Iac185d3af38d95ec394551f3ca1487e65cf6c975
diff --git a/Cronet/tools/import/copy.bara.sky b/Cronet/tools/import/copy.bara.sky
index 2acf8cd..104de68 100644
--- a/Cronet/tools/import/copy.bara.sky
+++ b/Cronet/tools/import/copy.bara.sky
@@ -95,10 +95,9 @@
     name = "import_cronet",
     authoring = authoring.overwrite("Cronet Mainline Eng <[email protected]>"),
     origin = git.origin(
-        url = "rpc://chromium/chromium/src",
+        url = "https://chromium.googlesource.com/chromium/src.git",
         # Source ref is set by the invoking script.
         ref = "overwritten-by-script",
-        partial_fetch = True,
     ),
     origin_files = cronet_origin_files,
     destination = git.destination(