Add a function to log the invocation of tools run from the Android
build environment. This enables analyzing and optimizing developer
flows.
Note that there are no tools currently leveraging the logging
facility. Logging is also disabled by default and not configured to
use any particular logger.
Test: atest run_tool_with_logging_test
bug: 331638854
Change-Id: I001ba3c6c30b3ffc95d0fdb30ea7178a991c680f
Use Android-Apache-2.0 for all Apache 2.0
Remove legacy_restricted (no longer appears in code).
Remove Android.bp which did not build anything but was a placeholder
for the missing license texts.
Test: m nothing
Change-Id: Ia491a59c735ca20afda9b4bbac9d8b33dbf8874e