Merge "Switch libcompiler_rt to the LLVM prebuilt libunwind" am: 1eda370e3c am: ec51602b49 am: e6a52b1fb0

Original change: https://android-review.googlesource.com/c/platform/external/compiler-rt/+/1554717

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id2196a502ff6eefb014fc9b64e2b07fcefe22d5e
diff --git a/Android.bp b/Android.bp
index c9a2483..7e4fb1a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -364,23 +364,11 @@
     target: {
         android: {
             shared_libs: ["liblog"],
-        },
-        android_arm: {
-            static_libs: ["libunwind_llvm"],
-            ldflags: ["-Wl,--exclude-libs,libunwind_llvm.a"],
-        },
-        android_arm64: {
-            static_libs: ["libgcc_stripped"],
-            ldflags: ["-Wl,--exclude-libs,libgcc_stripped.a"],
-        },
-        android_x86: {
-            static_libs: ["libgcc_stripped"],
-            ldflags: ["-Wl,--exclude-libs,libgcc_stripped.a"],
+            static_libs: ["libunwind"],
+            ldflags: ["-Wl,--exclude-libs,libunwind.a"],
         },
         android_x86_64: {
             srcs: ["lib/builtins/ppc/floatditf.c"],
-            static_libs: ["libgcc_stripped"],
-            ldflags: ["-Wl,--exclude-libs,libgcc_stripped.a"],
         },
         windows: {
             enabled: true,