[android] Split the Android CI build presets.

By not depending on buildbot_linux, the changes there will not affect
the Android builders. It will mean having to move the intended changes
manually, but it will hopefully be more stable.

Author: drodriguez

utils/build-presets.ini

@@ -818,13 +818,22 @@ mixin-preset=
     mixin_buildbot_linux,no_test
 
 [preset: buildbot_linux_crosscompile_android,tools=RA,stdlib=RD,build]
-mixin-preset=buildbot_linux
-
-host-test
+mixin-preset=
+    mixin_lightweight_assertions
+    mixin_linux_install_components_with_clang
+build-subdir=buildbot_linux
 
 release
-assertions
-extra-cmake-options=-DSWIFT_ENABLE_LLD_LINKER:BOOL=OFF
+test
+validation-test
+long-test
+stress-test
+test-optimized
+lit-args=-v --time-tests
+
+build-ninja
+libicu
+libcxx
 
 dash-dash
 
@@ -837,23 +846,30 @@ android-icu-i18n=%(arm_dir)s/libicui18nswift.so
 android-icu-i18n-include=%(arm_dir)s/icu/source/i18n
 android-icu-data=%(arm_dir)s/libicudataswift.so
 
-# Disable many build host products. They are unrelated to Android. Foundation,
-# libdispatch and XCTest are also disabled because build-script-impl doesn't
-# build them for cross-compiled Android.
+build-swift-static-stdlib
+build-swift-static-sdk-overlay
+build-swift-stdlib-unittest-extra
+
+# Path to the root of the installation filesystem.
+install-destdir=%(install_destdir)s
+
+# Path to the .tar.gz package we would create.
+installable-package=%(installable_package)s
+
+host-test
+
+extra-cmake-options=-DSWIFT_ENABLE_LLD_LINKER:BOOL=OFF
+
+install-prefix=/usr
+install-swift
+install-libicu
+install-libcxx
+
 skip-test-linux
-skip-build-lldb
-skip-build-llbuild
-skip-build-libdispatch
-skip-build-foundation
-skip-build-xctest
-skip-build-playgroundsupport
 skip-build-benchmarks
-swiftpm=0
-indexstore-db=0
-sourcekit-lsp=0
-toolchain-benchmarks=0
-test-installable-package=
-install-swiftpm=0
+skip-build-playgroundsupport
+
+reconfigure
 
 [preset: buildbot_linux_crosscompile_android,tools=RA,stdlib=RD,build,aarch64]
 mixin-preset=buildbot_linux_crosscompile_android,tools=RA,stdlib=RD,build