Move over to ABSL logging and flags.

Removes gperftools too since that wants gflags.

Here come the fireworks.

Change-Id: I79cb7bcf60f1047fbfa28bfffc21a0fd692e4b1c
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/y2020/vision/sift/BUILD b/y2020/vision/sift/BUILD
index a220664..96afd01 100644
--- a/y2020/vision/sift/BUILD
+++ b/y2020/vision/sift/BUILD
@@ -21,7 +21,8 @@
         ":get_gaussian_kernel",
         "//aos/testing:googletest",
         "//third_party:opencv",
-        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:check",
     ],
 )
 
@@ -158,7 +159,8 @@
     deps = [
         ":fast_gaussian",
         "//third_party:opencv",
-        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:check",
     ],
 )
 
@@ -175,7 +177,8 @@
         ":fast_gaussian_all",
         "//third_party:halide_runtime",
         "//third_party:opencv",
-        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:check",
     ],
 )
 
@@ -204,7 +207,8 @@
         "//aos/time",
         "//third_party:opencv",
         "//y2020/vision/sift:sift971",
-        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:check",
     ],
 )