Change Bluetooth apex mountpoint

Apex name has been changed to com.android.btservices
Changing mount point accordingly
Bug: 235892590
Test: Flash / boot bt / look logs & pair a device

Change-Id: I8cff5f6449ee19466b3df571a40e062964a9e46c
diff --git a/boot/Android.bp b/boot/Android.bp
index 5b265a5..3f14ebc 100644
--- a/boot/Android.bp
+++ b/boot/Android.bp
@@ -60,8 +60,8 @@
             module: "art-bootclasspath-fragment",
         },
         {
-            apex: "com.android.bluetooth",
-            module: "com.android.bluetooth-bootclasspath-fragment",
+            apex: "com.android.btservices",
+            module: "com.android.btservices-bootclasspath-fragment",
         },
         {
             apex: "com.android.conscrypt",