Add README.md to browser.
Change-Id: I0899990d66132ef07dcf48624d429ec26f9cf659
Test: None needed, I'm adding docs.
diff --git a/browser/README.md b/browser/README.md
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+# Browser
+
+The `androidx.browser` library provides an interface for application developers
+to communicate and use web browsers.
+One such API is Custom Tabs which allows an Android app to open a URL using
+all the features of a fully-fledged web browser while keeping the user in the
+calling app's task.
+
+[Library Owners](OWNERS)
+
+[Source Code](https://android.googlesource.com/platform/frameworks/support/+/androidx-master-dev/browser/)
+
+[Release Nodes](https://developer.android.com/jetpack/androidx/releases/browser)
+
+## Feedback
+To provide feedback or report bugs, please refer to the main AndroidX
+contribution guide and report your bugs
+[here](https://issuetracker.google.com/issues/new?component=460372).
