Export of internal Abseil changes.

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9850e5567db4ab7cf4928e68d1c6e232d9845fff by Abseil Team <absl-team@google.com>:

Add missing file parameter for FPrintF example.

PiperOrigin-RevId: 208238843

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e3aa5daed78a2d38f0f19c20db93d6b9cca54041 by Abseil Team <absl-team@google.com>:

Internal cleanup.

PiperOrigin-RevId: 208216296

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6ec960705441f7ae7383214160cf78244b0ac614 by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 208111059
GitOrigin-RevId: 9850e5567db4ab7cf4928e68d1c6e232d9845fff
Change-Id: I3ceef9b66ffc8d434eb522f79479581975e780e6

absl/strings/BUILD.bazel

@@ -213,7 +213,6 @@ cc_test(
     visibility = ["//visibility:private"],
     deps = [
         ":internal",
-        ":strings",
         "//absl/base:core_headers",
         "@com_google_googletest//:gtest_main",
     ],
@@ -375,7 +374,6 @@ cc_test(
     visibility = ["//visibility:private"],
     deps = [
         ":strings",
-        "//absl/memory",
         "@com_github_google_benchmark//:benchmark_main",
     ],
 )

absl/strings/str_format.h

@@ -368,7 +368,7 @@ int PrintF(const FormatSpec<Args...>& format, const Args&... args) {
 // Example:
 //
 //   std::string_view s = "Ulaanbaatar";
-//   absl::FPrintF("The capital of Mongolia is %s", s);
+//   absl::FPrintF(stdout, "The capital of Mongolia is %s", s);
 //
 //   Outputs: "The capital of Mongolia is Ulaanbaatar"
 //

absl/time/internal/cctz/include/cctz/civil_time_detail.h

@@ -355,11 +355,11 @@ class civil_time {
       : civil_time(ct.f_) {}
 
   // Factories for the maximum/minimum representable civil_time.
-  static civil_time max() {
+  static CONSTEXPR_F civil_time max() {
     const auto max_year = std::numeric_limits<std::int_least64_t>::max();
     return civil_time(max_year, 12, 31, 23, 59, 59);
   }
-  static civil_time min() {
+  static CONSTEXPR_F civil_time min() {
     const auto min_year = std::numeric_limits<std::int_least64_t>::min();
     return civil_time(min_year, 1, 1, 0, 0, 0);
   }