Moving FileDescriptorInfo from content/ to base/ and making base
multiprocess test client use this class (instead of their own version).

BUG=702316

Review-Url: https://codereview.chromium.org/2765453004
Cr-Commit-Position: refs/heads/master@{#458568}
diff --git a/base/android/OWNERS b/base/android/OWNERS
index 994c969..5c4095832 100644
--- a/base/android/OWNERS
+++ b/base/android/OWNERS
@@ -3,3 +3,6 @@
 [email protected]
 [email protected]
 [email protected]
+
+per-file *.aidl=set noparent
+per-file *.aidl=file://ipc/SECURITY_OWNERS