10 more legacy computing symbols

[eggrobin]

UTC-177-C35: Consensus: Provisionally assign the following code points for ten symbols, as described in L2/23-252:

1CCFA SNAKE SYMBOL
1CCFB FLYING SAUCER SYMBOL
1CCFC NOSE SYMBOL
1CEBA FRAGILE SYMBOL
1CEBB OFFICE BUILDING SYMBOL
1CEBC TREE SYMBOL
1CEBD APPLE SYMBOL
1CEBE CHERRY SYMBOL
1CEBF STRAWBERRY SYMBOL
1FBFA ALARM BELL SYMBOL

https://github.com/unicode-org/sah/issues/351