type=1400 audit(0.0:6364): avc: denied { open } for name="database.db" dev="mmcblk0p28" ino=171293 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:app_data_file:s0 tclass=file permissive=0
os_unix.c:31278: (13) open(/data/user/0/com.testapp/databases/database.db)

// Define in and out filepaths
String DB_INPUT = "/data/data/com.package.name/databases/database.db";
String DB_OUTPUT = activity.getDatabasePath("database.db").getPath();

try {
    // Request superuser permissions
    Process suProcess = Runtime.getRuntime().exec("su");
    DataOutputStream suOutputStream = new DataOutputStream(suProcess.getOutputStream());

    // Copy database
    suOutputStream.writeBytes("cat " + DB_INPUT + " > " + DB_OUTPUT + "n");

    // Fix permissions
    int appUID = getApplication().getApplicationInfo().uid;
    suOutputStream.writeBytes("chmod 600 " + DB_OUTPUT + "n"); // rw- --- ---
    suOutputStream.writeBytes("chown " + appUID + "." + appUID  + " " + DB_OUTPUT + "n");
    suOutputStream.writeBytes("exitn");
    suProcess.waitFor();
    suOutputStream.close();

    // Test
    SQLiteDatabase.openDatabase(DB_OUTPUT, null, SQLiteDatabase.OPEN_READWRITE);
} catch(Exception e) {
    Log.e(LOGTAG, "Something went terrible wrong: " + e.getMessage());
}

// Define in and out filepaths
String DB_INPUT = "/data/data/com.package.name/databases/database.db";
String DB_OUTPUT = activity.getDatabasePath("database.db").getPath();

// Create empty database to grant permissions
SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabase(DB_OUTPUT, null);
db.close();

try {
    // Request superuser permissions
    Process suProcess = Runtime.getRuntime().exec("su");
    DataOutputStream suOutputStream = new DataOutputStream(suProcess.getOutputStream());

    // Copy database
    suOutputStream.writeBytes("cat " + DB_INPUT + " > " + DB_OUTPUT + "n");

    // Close terminal
    suOutputStream.writeBytes("exitn");
    suProcess.waitFor();
    suOutputStream.close();
} catch(Exception e) {
    Log.e(LOGTAG, "Something went terrible wrong: " + e.getMessage());
}