16k: soong: Update DevicePageSizeAgnostic to DeviceNoBionicPageSizeMacro

This is part of a larger change to update the flag
PRODUCT_PAGE_SIZE_AGNOSTIC to PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO.
This is to help clarify that this flag doesn't mean the device
will actually work end-to-end with any page size.

Bug: 312541564
Test:
```
source build/envsetup.sh
lunch aosp_cf_arm64_phone_pgagnostic-trunk-userdebug
m
cat out/soong/build.aosp_cf_arm64_phone_pgagnostic.ninja | grep __BIONIC_NO_PAGE_SIZE_MACRO
```

Change-Id: I33033876d0d4a276d1bb962d40315b71a3968c66
diff --git a/bp2build/bp2build_product_config.go b/bp2build/bp2build_product_config.go
index 0d1e433..4c09d67 100644
--- a/bp2build/bp2build_product_config.go
+++ b/bp2build/bp2build_product_config.go
@@ -320,7 +320,7 @@
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_abi=%s\n", strings.Join(productVariables.DeviceAbi, ",")))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_max_page_size_supported=%s\n", proptools.String(productVariables.DeviceMaxPageSizeSupported)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_name=%s\n", proptools.String(productVariables.DeviceName)))
-		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_page_size_agnostic=%t\n", proptools.Bool(productVariables.DevicePageSizeAgnostic)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_no_bionic_page_size_macro=%t\n", proptools.Bool(productVariables.DeviceNoBionicPageSizeMacro)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_product=%s\n", proptools.String(productVariables.DeviceProduct)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_platform=%s\n", label.String()))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:enable_cfi=%t\n", proptools.BoolDefault(productVariables.EnableCFI, true)))