Use String8/16 c_str

Bug: 295394788
Test: make checkbuild
Change-Id: I538720d4de2dcc038b417048209782ff605b7e30
diff --git a/libs/services/src/os/DropBoxManager.cpp b/libs/services/src/os/DropBoxManager.cpp
index 3716e01..60bb00a 100644
--- a/libs/services/src/os/DropBoxManager.cpp
+++ b/libs/services/src/os/DropBoxManager.cpp
@@ -196,7 +196,7 @@
     vector<uint8_t> dataArg;
     dataArg.assign(data, data + size);
     Status status = service->addData(tag, dataArg, flags);
-    ALOGD("service->add returned %s", status.toString8().string());
+    ALOGD("service->add returned %s", status.toString8().c_str());
     return status;
 }
 
@@ -230,7 +230,7 @@
     android::base::unique_fd uniqueFd(fd);
     android::os::ParcelFileDescriptor parcelFd(std::move(uniqueFd));
     Status status = service->addFile(tag, parcelFd, flags);
-    ALOGD("service->add returned %s", status.toString8().string());
+    ALOGD("service->add returned %s", status.toString8().c_str());
     return status;
 }