DOC CHANGE: FileProvider training class

Change-Id: Idad8840dec02150733f23cfefdeaf152a260f63a
diff --git a/docs/html/training/building-content-sharing.jd b/docs/html/training/building-content-sharing.jd
new file mode 100644
index 0000000..52298c3
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+++ b/docs/html/training/building-content-sharing.jd
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+page.title=Building Apps with Content Sharing
+page.trainingcourse=true
+
+@jd:body
+
+
+
+<p>These classes teach you how to create apps that share data between apps and devices.</p>