attach private files from "/data/data/com.android.messaging/"
directory to the messaging app.
* This is a manual merge from ag/871758 -- backporting a security fix from
Bugle to Kazoo.
* Don't export the MediaScratchFileProvider or the MmsFileProvider. This
will block external access from third party apps. In addition, make both
providers more robust in handling path names. Make sure the file paths
handled in the providers point to the expected directory.
Change-Id: I9e6b3ae0e122e3f5022243418f2893d4a0859edb
Fixes: 32807795
Precompute is_enterprise and stored the value in conversation table.
Include is_enterprise in the ConversationList view.
Change-Id: I2e31bd61c08d25a296aaa3e99cb24631ae2e7976
For platforms with insecure handling of media files, media files should
be opened only after the user chooses to play the media.
Change-Id: I5f9bbd1f8468a704a5962f0dddd3c8b11bba8bea