Add DIR_METADATA files to //components/crash

Generate DIR_METADATA files and remove metatada from OWNERS files for
//components/crash

Bug: 1113033
Change-Id: I95da1e0f4712feee96eda781c3d273633dea112c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2542572Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Norman Rosas <normando@google.com>
Cr-Commit-Position: refs/heads/master@{#828732}

components/crash/DIR_METADATA

+monorail {
+  component: "Internals>CrashReporting"
+}
\ No newline at end of file

components/crash/OWNERS

@@ -5,5 +5,3 @@ thestig@chromium.org
 
 # For Android-specific changes:
 per-file *android*=file://components/crash/android/OWNERS
-
-# COMPONENT: Internals>CrashReporting

components/crash/android/DIR_METADATA

+monorail {
+  component: "Internals>CrashReporting"
+}
+os: ANDROID
\ No newline at end of file

components/crash/android/OWNERS

 isherman@chromium.org
 tiborg@chromium.org
 wnwen@chromium.org
-
-# COMPONENT: Internals>CrashReporting
-# OS: Android

components/crash/content/browser/error_reporting/DIR_METADATA

+monorail {
+  component: "Internals>CrashReporting"
+}
\ No newline at end of file

components/crash/content/browser/error_reporting/OWNERS

 iby@chromium.org
 mutexlox@chromium.org
-
-# COMPONENT: Internals>CrashReporting

components/crash/core/DIR_METADATA

+monorail {
+  component: "Internals>CrashReporting"
+}
\ No newline at end of file

components/crash/core/OWNERS

 rsesek@chromium.org
-
-# COMPONENT: Internals>CrashReporting