Sharing contact's blog fails with DbException
Looks like this may have the same cause as #962 (closed).
06-01 02:02:06.140 25336-25418/org.briarproject.briar W/tSelectorControllerImpl: org.briarproject.bramble.api.db.DbException
org.briarproject.bramble.api.db.DbException
at org.briarproject.briar.sharing.SharingManagerImpl.getSession(SharingManagerImpl.java:162)
at org.briarproject.briar.sharing.SharingManagerImpl.canBeShared(SharingManagerImpl.java:433)
at org.briarproject.briar.sharing.SharingManagerImpl.canBeShared(SharingManagerImpl.java:420)
at org.briarproject.briar.android.sharing.ShareBlogControllerImpl.isDisabled(ShareBlogControllerImpl.java:54)
at org.briarproject.briar.android.contactselection.ContactSelectorControllerImpl$1.run(ContactSelectorControllerImpl.java:54)
at org.briarproject.briar.android.controller.DbControllerImpl$1.run(DbControllerImpl.java:37)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:818)