Squashed 'third_party/abseil/' content from commit ddf8e52a2

Change-Id: I330cdc687395c6605ad027b855e313ff4a2059e9
git-subtree-dir: third_party/abseil
git-subtree-split: ddf8e52a2918dd0ccec75d3e2426125fa3926724
diff --git a/CMake/abslConfig.cmake.in b/CMake/abslConfig.cmake.in
new file mode 100644
index 0000000..60847fa
--- /dev/null
+++ b/CMake/abslConfig.cmake.in
@@ -0,0 +1,7 @@
+# absl CMake configuration file.
+
+include(FindThreads)
+
+@PACKAGE_INIT@
+
+include ("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
\ No newline at end of file