Use String8/16 c_str [graphics]

Bug: 295394788
Test: make checkbuild
Change-Id: I69aa06b109c2f40ecf40441cbbb0dfa3e1aa99a1
Merged-In: I69aa06b109c2f40ecf40441cbbb0dfa3e1aa99a1
diff --git a/services/gpuservice/GpuService.cpp b/services/gpuservice/GpuService.cpp
index 7b9782f..9171534 100644
--- a/services/gpuservice/GpuService.cpp
+++ b/services/gpuservice/GpuService.cpp
@@ -107,7 +107,7 @@
 
     ALOGV("shellCommand");
     for (size_t i = 0, n = args.size(); i < n; i++)
-        ALOGV("  arg[%zu]: '%s'", i, String8(args[i]).string());
+        ALOGV("  arg[%zu]: '%s'", i, String8(args[i]).c_str());
 
     if (args.size() >= 1) {
         if (args[0] == String16("vkjson")) return cmdVkjson(out, err);