[bazel] fixes to make Telemetry work in lldb

Previously telemetry was optional at build-time in such a way that none
of it was built at all, but llvm/llvm-project@159b872b3736 changed that
and now it's optional in a different way so we need to have it available
in the bazel BUILD graph.

Author: durin42

utils/bazel/llvm-project-overlay/lldb/BUILD.bazel

@@ -639,14 +639,12 @@ cc_library(
             "source/Core/**/*.cpp",
             "source/ValueObject/**/*.cpp",  # This should be its own library.
         ],
-        exclude = ["source/Core/Telemetry.cpp"],
     ),
     hdrs = glob(
         [
             "include/lldb/Core/**/*.h",
             "include/lldb/ValueObject/**/*.h",  # This should be its own library.
         ],
-        exclude = ["include/lldb/Core/Telemetry.h"],
     ),
     includes = ["include"],
     deps = [
@@ -661,9 +659,11 @@ cc_library(
         ":SymbolHeaders",
         ":TargetHeaders",
         ":Utility",
+        ":Version",
         "//clang:driver",
         "//lldb/source/Plugins:PluginCPlusPlusLanguageHeaders",
         "//lldb/source/Plugins:PluginObjCLanguageHeaders",
+        "//llvm:Telemetry",
         "//llvm:Demangle",
         "//llvm:Support",
         "//llvm:TargetParser",

utils/bazel/llvm-project-overlay/llvm/BUILD.bazel

@@ -1028,6 +1028,15 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "Telemetry",
+    srcs = glob(["lib/Telemetry/*.cpp"]),
+    hdrs = glob(["include/llvm/Telemetry/*.h"]),
+    copts = llvm_copts,
+    includes = ["include"],
+    deps = [":Support"],
+)
+
 cc_library(
     name = "TextAPI",
     srcs = glob(

utils/bazel/llvm-project-overlay/llvm/include/llvm/Config/llvm-config.h

@@ -124,4 +124,6 @@
 /* Define to 1 if you have the DIA SDK installed, and to 0 if you don't. */
 #define LLVM_ENABLE_DIA_SDK 0
 
+#define LLVM_ENABLE_TELEMETRY 1
+
 #endif