[roll third_party/pigweed] pw_allocator: Remove split_free_list_allocator.cc from Android.bp

This file was removed in commit
b10b18a6800a187b29bf62d7655269d5031b7650.

Test: Compile anything in Android.
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/194551

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 6a1b2e4920556e0..70eae9f48da58eb
Roller-URL: https://ci.chromium.org/b/8754739920196076641
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I105d09fc384ab3322471412c0879f698c35d6e51
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/194712
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 6a1b2e4..70eae9f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6a1b2e4920556e0cd977e18ae6b8c8ad49ba8fac
+Subproject commit 70eae9f48da58eb955e271f4d9ec0c48d600e28c