Fix definition of boolean histogram

After https://crrev.com/c/2910080 we can define the histogram as a
proper boolean histogram with minimum 0, maximum 1, and 2 buckets.
This will map to a chromium histogram with maximum 2, and 3 buckets, but
that conversion will happen on chromium's side.

R=jkummerow@chromium.org

Bug: chromium:1207318
Cq-Include-Trybots: luci.v8.try:v8_linux_blink_rel
Change-Id: I176cf2467949591bcc3aa5ad0635cb8b12f20e9e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2930479Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74911}

src/logging/counters-definitions.h

@@ -86,10 +86,8 @@ namespace internal {
   /* bailout reason if Liftoff failed, or {kSuccess} (per function) */         \
   HR(liftoff_bailout_reasons, V8.LiftoffBailoutReasons, 0, 20, 21)             \
   /* support for PKEYs/PKU by testing result of pkey_alloc() */                \
-  /* TODO(chromium:1207318): Only values 0 and 1 are actually used, but 3 */   \
-  /* buckets needed until {BooleanHistogram} is supported in Chromium UMA. */  \
   HR(wasm_memory_protection_keys_support, V8.WasmMemoryProtectionKeysSupport,  \
-     0, 2, 3)                                                                  \
+     0, 1, 2)                                                                  \
   /* number of thrown exceptions per isolate */                                \
   HR(wasm_throw_count, V8.WasmThrowCount, 0, 100000, 30)                       \
   /* number of rethrown exceptions per isolate */                              \