Migrate --android_resource_shrinking, --experimental_android_resource_cycle_shrinking, --experimental_android_compress_java_resources

Delete android_manifest_merger references

#FLAG_CHANGE

PiperOrigin-RevId: 972777320
Change-Id: I9bbbd5da407875e23e3162eb666b11919cccbc99

flags/BUILD

diff --git a/flags/BUILD b/flags/BUILD
index db3d058..db1ae34 100644
--- a/flags/BUILD
+++ b/flags/BUILD
@@ -164,18 +164,6 @@
     visibility = ["//visibility:public"],
 )
 
-string_flag(
-    name = "android_manifest_merger",
-    build_setting_default = "android",
-    scope = "universal",
-    values = [
-        "legacy",
-        "android",
-        "force_android",
-    ],
-    visibility = ["//visibility:public"],
-)
-
 bool_flag(
     name = "experimental_android_library_exports_manifest_default",
     build_setting_default = False,

flags/flags_wrapper.bzl

diff --git a/flags/flags_wrapper.bzl b/flags/flags_wrapper.bzl
index f82e922..1787747 100644
--- a/flags/flags_wrapper.bzl
+++ b/flags/flags_wrapper.bzl
@@ -34,7 +34,7 @@
 flags_wrapper = rule(
     implementation = _flags_wrapper_impl,
     attrs = dict(
-        targets = attr.label_list(),
+        targets = attr.label_list(allow_files = True),
     ),
 )
 

rules/flags/flags.bzl

diff --git a/rules/flags/flags.bzl b/rules/flags/flags.bzl
index 8804429..fb70f17 100644
--- a/rules/flags/flags.bzl
+++ b/rules/flags/flags.bzl
@@ -190,10 +190,6 @@
     return flags[0][FlagsInfo]
 
 _POSSIBLY_NATIVE_FLAGS = {
-    "android_manifest_merger": (
-        lambda ctx: ctx.fragments.android.manifest_merger,
-        "native",
-    ),
     "desugar_for_android": (lambda ctx: ctx.fragments.android.desugar_java8, "native"),
     "desugar_java8_libs": (lambda ctx: ctx.fragments.android.desugar_java8_libs, "native"),
     "experimental_android_compress_java_resources": (