Rename the cronet workaround patch file in preparation for moving it.

Change-Id: I935dafb8a08ac65871798ba9a74dc2943f672d5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2268887
Auto-Submit: Eric Roman <eroman@chromium.org>
Commit-Queue: Eric Roman <eroman@chromium.org>
Commit-Queue: Renjie Tang <renjietang@chromium.org>
Reviewed-by: Renjie Tang <renjietang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782805}

components/cronet/android/BUILD.gn

@@ -480,8 +480,8 @@ action("cronet_combine_proguard_flags") {
   sources = [
     "//base/android/proguard/chromium_code.flags",
 
-    # Massage the proguard rules to work with AppReduce.
-    "//components/cronet/android/cronet_appreduce_workaround.patch",
+    # Massage the proguard to avoid incompatibilities when building internally.
+    "//components/cronet/android/cronet_workaround.patch",
     "//components/cronet/android/cronet_impl_native_proguard.cfg",
   ]
   outputs = [ "$target_gen_dir/cronet_impl_native_proguard.cfg" ]

components/cronet/android/cronet_appreduce_workaround.patch → components/cronet/android/cronet_workaround.patch

-This patchfile is a stop-gap solution to accomodate differences in syntax for
-AppReduce, which is used internally in place of ProGuard. See crbug.com/1004516.
+This patchfile is a stop-gap solution to accomodate possible differences in
+supported ProGuard rules when building cronet internally. See crbug.com/1004516.
 
 This patches base/android/proguard/chromium_code.flags.
 
@@ -9,7 +9,7 @@ cd src
 export ORIG_FLAGS="base/android/proguard/chromium_code.flags"
 cp $ORIG_FLAGS modified.flags
 $EDITOR modified.flags
-diff -u "$ORIG_FLAGS" modified.flags > "components/cronet/android/cronet_appreduce_workaround.patch"
+diff -u "$ORIG_FLAGS" modified.flags > "components/cronet/android/cronet_workaround.patch"
 
 To test whether the patch applies cleanly use: