dipper: Use sm8250 HALs for vendor namespace imports

Change-Id: I15cee4a9a80c2ba564315e0bf2e22b62f966e973

Android.bp

@@ -5,7 +5,7 @@
 soong_namespace {
     imports: [
         "hardware/qcom-caf/common/libqti-perfd-client",
-        "hardware/qcom-caf/sdm845",
+        "hardware/qcom-caf/sm8250",
         "hardware/xiaomi",
         "vendor/qcom/opensource/display",
         "vendor/xiaomi/sdm845-common",