Convert frameworks/base/cmds/* to Android.bp

See build/soong/README.md for more information.

Also converts the rest of frameworks/base/tools/streaming_proto.

Bug: 122332340
Test: m checkbuild
Change-Id: I87c500c5464fb1722b4b518d89065f5e1ee29a97
(cherry picked from commit 45c0d71e774c84ec81392393a0fafad398d2838d)
diff --git a/cmds/am/Android.bp b/cmds/am/Android.bp
index bb16df1..ed73d55 100644
--- a/cmds/am/Android.bp
+++ b/cmds/am/Android.bp
@@ -10,3 +10,16 @@
         export_proto_headers: true,
     },
 }
+
+java_binary {
+    name: "am",
+    wrapper: "am",
+    srcs: [
+        "src/**/*.java",
+        "proto/**/*.proto",
+    ],
+    proto: {
+        plugin: "javastream",
+    },
+    static_libs: ["libprotobuf-java-lite"],
+}