[DirectoryOwnership] Add TEAM/COMPONENT into OWNERS files.

We are adding COMPONENT/TEAM information into OWNERS file
(third_party/*, etc).

Proposal to add TEAM/COMPONENT information into OWNERS files
http://bit.ly/add-team-component-proposal
Proposal about how to get suggested component for directory.
http://bit.ly/directory-mapping-proposal
TEAM-COMPONENT mapping
http://bit.ly/component-team-mapping

Additional Information:
Component lists
https://bugs.chromium.org/p/chromium/adminComponents

BUG=679905
R=agrieve@chromium.org

Review-Url: https://codereview.chromium.org/2734393004
Cr-Commit-Position: refs/heads/master@{#455799}

build/OWNERS

@@ -11,3 +11,5 @@ per-file mac_toolchain.py=justincohen@chromium.org
 per-file package_mac_toolchain.py=erikchen@chromium.org
 per-file package_mac_toolchain.py=justincohen@chromium.org
 per-file whitespace_file.txt=*
+
+# COMPONENT: Build

build/android/gradle/OWNERS

 agrieve@chromium.org
 wnwen@chromium.org
+
+# COMPONENT: Build

build/android/java_assertion_enabler/OWNERS

 agrieve@chromium.org
 zpeng@chromium.org
+
+# COMPONENT: Build

build/config/android/OWNERS

 agrieve@chromium.org
+
+# COMPONENT: Build

styleguide/java/OWNERS

@@ -3,3 +3,5 @@ dfalcantara@chromium.org
 nyquist@chromium.org
 tedchoc@chromium.org
 yfriedman@chromium.org
+
+# COMPONENT: Build

third_party/android_platform/OWNERS

 agrieve@chromium.org
 rmcilroy@chromium.org
 sgurun@chromium.org
+
+# COMPONENT: Infra>Client>Android

third_party/apk-patch-size-estimator/OWNERS

 agrieve@chromium.org
 estevenson@chromium.org
+
+# COMPONENT: Build

third_party/haha/OWNERS

 agrieve@chromium.org
 yfriedman@chromium.org
+
+# COMPONENT: Build

third_party/ijar/OWNERS

 agrieve@chromium.org
 dpranke@chromium.org
+
+# COMPONENT: Build

third_party/jmake/OWNERS

 agrieve@chromium.org
 yfriedman@chromium.org
+
+# COMPONENT: Build

third_party/leakcanary/OWNERS

 agrieve@chromium.org
 yfriedman@chromium.org
+
+# COMPONENT: Build

third_party/retrolambda/OWNERS

 agrieve@chromium.org
 zpeng@chromium.org
+
+# COMPONENT: Build