Increase the range of WasmInstanteModuleMicroSeconds histograms.

Looking at UMA results, we are geting a number of instantiations (4%)
that are being lumped into the 1 second (plus) maximum entry. To get
more visibility into the values in this bucket, this CL lift the
maximun to 10 seconds.

BUG=chromium:704922
R=bbudge@chromium.org,bradnelson@chromium.org

Review-Url: https://codereview.chromium.org/2780353004
Cr-Commit-Position: refs/heads/master@{#44313}

src/counters.h

@@ -960,9 +960,9 @@ class RuntimeCallTimerScope {
   HT(execute, V8.Execute, 1000000, MICROSECOND)                                \
   /* Asm/Wasm */                                                               \
   HT(wasm_instantiate_asm_module_time,                                         \
-     V8.WasmInstantiateModuleMicroSeconds.asm, 1000000, MICROSECOND)           \
+     V8.WasmInstantiateModuleMicroSeconds.asm, 10000000, MICROSECOND)          \
   HT(wasm_instantiate_wasm_module_time,                                        \
-     V8.WasmInstantiateModuleMicroSeconds.wasm, 1000000, MICROSECOND)          \
+     V8.WasmInstantiateModuleMicroSeconds.wasm, 10000000, MICROSECOND)         \
   HT(wasm_decode_asm_module_time, V8.WasmDecodeModuleMicroSeconds.asm,         \
      1000000, MICROSECOND)                                                     \
   HT(wasm_decode_wasm_module_time, V8.WasmDecodeModuleMicroSeconds.wasm,       \