allow a build that disable string type #8717

Job	Run time
6c. Build Extended Minimal (No Optional Features)	7m 27s
6a. Build Regular (No Optional Features)	11m 53s
4. Build Minimal (Globally Allowed Types)	8m 13s
5. Build Extended Minimal	9m 56s
6b. Build Minimal (No Optional Features)	7m 6s
2. Build Minimal (Exceptions Disabled)	10m 4s
1. Build Full ORT and Generate ORT Files	16m 58s
3b. Build Minimal (Type Reduction)	8m 16s
7. Build Extended Minimal (Android NNAPI)	9m 13s
3a. Build Minimal (Custom Ops)	8m 28s
	1h 37m 34s

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