Update the suppression for intentional memcpy overlap 542575, move it to the proper section.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
diff --git a/tools/valgrind/memcheck/suppressions.txt b/tools/valgrind/memcheck/suppressions.txt
index 3057062b305059ce3b6623b3c5a2d76443b08b94..7aa6fcfae88810e2cb2ab3238c77b66d3305862f 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -546,6 +546,17 @@
    fun:_ZN4base12_GLOBAL__N_114WorkerPoolImpl8PostTaskERKN15tracked_objects8LocationERKNS_8CallbackIFvvEEEb
    fun:_ZN4base10WorkerPool8PostTaskERKN15tracked_objects8LocationERKNS_8CallbackIFvvEEEb
 }
+{
+   bug_542575 (Intentional)
+   Memcheck:Overlap
+   fun:memcpy@@GLIBC_2.14
+   ...
+   fun:BrotliDecompressBuffer
+   fun:_ZN3ots18ConvertWOFF2ToSFNTEPNS_4FontEPhmPKhm
+   fun:_ZN12_GLOBAL__N_112ProcessWOFF2EPN3ots12OpenTypeFileEPNS0_4FontEPNS0_9OTSStreamEPKhm
+   fun:_ZN3ots10OTSContext7ProcessEPNS_9OTSStreamEPKhmj
+   fun:_ZN5blink17OpenTypeSanitizer8sanitizeEv
+}
 
 #-----------------------------------------------------------------------
 # 3. Suppressions for real chromium bugs that are not yet fixed.
@@ -3384,18 +3395,6 @@
    fun:_ZN7content24NavigationControllerImpl30NavigateToPendingEntryInternalENS_20NavigationController10ReloadTypeE
 }
 {
-   bug_542575
-   Memcheck:Overlap
-   fun:memcpy@@GLIBC_2.14
-   fun:BrotliDecompressStreaming
-   fun:BrotliDecompress
-   fun:BrotliDecompressBuffer
-   fun:_ZN3ots18ConvertWOFF2ToSFNTEPNS_4FontEPhmPKhm
-   fun:_ZN12_GLOBAL__N_112ProcessWOFF2EPN3ots12OpenTypeFileEPNS0_4FontEPNS0_9OTSStreamEPKhm
-   fun:_ZN3ots10OTSContext7ProcessEPNS_9OTSStreamEPKhmj
-   fun:_ZN5blink17OpenTypeSanitizer8sanitizeEv
-}
-{
    bug_542875
    Memcheck:Leak
    fun:malloc