### Please describe the problem.
The app fails to open after the install

### What steps will reproduce the problem?
Downloaded, installed, chose open.

### What version of git-annex are you using? On what operating system?
today's version. android 4.2.1

### Please provide any additional information below.

I also sent this by email.

Falling back to hardcoded app location; cannot find expected files in /data/app-lib
git annex webapp
u0_a72@android:/sdcard/git-annex.home $ git annex webapp
Launching web browser on http://127.0.0.1:48812/?auth=cf45448c3690730f05f1a9567e62c6a3cf8d25c43ed14362c8ae78601de0e96d32d2b02923ba95962e80c9bd8ffab621918dd582741f18160f6e2565af61aba5
Starting: Intent { act=android.intent.action.VIEW dat=http://127.0.0.1:48812/?auth=cf45448c3690730f05f1a9567e62c6a3cf8d25c43ed14362c8ae78601de0e96d32d2b02923ba95962e80c9bd8ffab621918dd582741f18160f6e2565af61aba5 }
java.lang.SecurityException: Permission Denial: startActivity asks to run as user -2 but is calling from user 0; this requires android.permission.INTERACT_ACROSS_USERS_FULL
        at android.os.Parcel.readException(Parcel.java:1425)
        at android.os.Parcel.readException(Parcel.java:1379)
        at android.app.ActivityManagerProxy.startActivityAsUser(ActivityManagerNative.java:1906)
        at com.android.commands.am.Am.runStart(Am.java:494)
        at com.android.commands.am.Am.run(Am.java:109)
        at com.android.commands.am.Am.main(Am.java:82)
        at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
        at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:235)
        at dalvik.system.NativeStart.main(Native Method)
failed to start web browser

[[!format sh """
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/debug.log


# End of transcript or log.
"""]]

This is a duplicate of [[Android_app_permission_denial_on_startup]]

[[closing|done]] as dup. --[[Joey]]