Update Mac M1 MoltenVK to bb914f

Let's update M1 version first, then come back to x86_64 after we
varify M1 version is good for CTS dEQP.

Bug: 308006963
Test: test_launch_chrome_google
Change-Id: Ibac6d286ee89aef946e2da2e1c2a526888a0f117
diff --git a/vulkan/darwin-aarch64/icds/MoltenVK_icd.json b/vulkan/darwin-aarch64/icds/MoltenVK_icd.json
index 1b1685d..9b753d8 100644
--- a/vulkan/darwin-aarch64/icds/MoltenVK_icd.json
+++ b/vulkan/darwin-aarch64/icds/MoltenVK_icd.json
@@ -2,6 +2,7 @@
     "file_format_version" : "1.0.0",
     "ICD": {
         "library_path": "./libMoltenVK.dylib",
-        "api_version" : "1.1.0"
+        "api_version" : "1.2.0",
+        "is_portability_driver" : true
     }
 }
diff --git a/vulkan/darwin-aarch64/icds/libMoltenVK.dylib b/vulkan/darwin-aarch64/icds/libMoltenVK.dylib
index 25802e5..3b3a707 100755
--- a/vulkan/darwin-aarch64/icds/libMoltenVK.dylib
+++ b/vulkan/darwin-aarch64/icds/libMoltenVK.dylib
Binary files differ