Add @Keep and @KeepForSubclassing annotations for public R8 API
Add simple src/main/keep.txt file specifying that public members of
types marked with @Keep and public/protected members of types marked
with @KeepForSubclassing should be kept.
Add tools/build_r8lib.py to build a minified r8lib.jar from r8.jar and
test that d8_api_usage_sample.jar works with the minified r8lib.jar.
Also move RT_JAR from minify_tool.py to utils.py since it is used in
build_r8lib.py as well.
Change-Id: Ie091895705bfd4637513876a93f35911e958c479
diff --git a/tools/utils.py b/tools/utils.py
index 9f6959f..3aab572 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -35,6 +35,7 @@
COMPATPROGUARD_JAR = os.path.join(LIBS, 'compatproguard.jar')
MAVEN_ZIP = os.path.join(LIBS, 'r8.zip')
GENERATED_LICENSE = os.path.join(GENERATED_LICENSE_DIR, 'LICENSE')
+RT_JAR = os.path.join(REPO_ROOT, 'third_party/openjdk/openjdk-rt-1.8/rt.jar')
def PrintCmd(s):
if type(s) is list:
