Add Valgrind suppressions for nvidia driver.

tests/valgrind.supp

 # Pass this file to Valgrind with "--suppressions=tests/valgrind.supp"
 
 {
     FcConfig
     Memcheck:Addr4
     fun:FcConfigFileExists
 }
 {
     FcFontSetCreate_Leak
     Memcheck:Leak
@@ skipping 20 matching lines @@
     fun:_Znwm
     fun:_ZN16SkRTConfRegistry12registerConfEP12SkRTConfBase
 }
 {
     XML_ParseBuffer_leak
     Memcheck:Leak
     fun:malloc
     fun:FcPatternObjectInsertElt
     fun:FcPatternObjectAddWithBinding
 }
+
+# Blanket nvidia driver suppressions
+{
+    nvidia_param_write_to_unallocated_buf
+    Memcheck:Param
+    write(buf)
+    obj:/usr/lib/libnvidia-glcore.so*
+}
+{
+    nvidia_conditional_jump_on_uninitialized_value
+    Memcheck:Cond
+    obj:/usr/lib/libnvidia-glcore.so*
+}
+{
+    nvidia_memory_leaks
+    Memcheck:Leak
+    obj:/usr/lib/libGL.so*
+}
+
+# Suppressions for ATI cards
 {
     driver_bug_1
     Memcheck:Param
     ioctl(generic)
     fun:ioctl
     ...
     obj:/usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
 }
 {
     driver_bug_2
@@ skipping 42 matching lines @@
     fun:calloc
     obj:/usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
 }
 {
     driver_bug_10
     Memcheck:Leak
     fun:malloc
     obj:/usr/lib/fglrx/fglrx-libGL.so.1.2
 }
 # the gpu_issue_* suppressions suppress issues that cannot be reproduced
-# locally. 
+# locally.
 {
     gpu_issue_1
     Memcheck:Addr2
     fun:_ZNK5GrGpu18getQuadIndexBufferEv
 }
 {
     gpu_issue_2
     Memcheck:Addr2
     fun:_ZN24GrAAHairLinePathRenderer6CreateEP9GrContext
 }
@@ skipping 57 matching lines @@
 {
     gpu_issue_14
     Memcheck:Addr4
     fun:_ZN22GrAAConvexPathRenderer10onDrawPathERK6SkPathRK11SkStrokeRecP12GrDrawTargetb
 }
 {
     gpu_issue_15
     Memcheck:Addr2
     fun:_ZN22GrAAConvexPathRenderer10onDrawPathERK6SkPathRK11SkStrokeRecP12GrDrawTargetb
 }