bp2build: convert paths/module refs to Bazel label

This currently expands all globs, still need to support converting glob
syntax.

Test: go build_conversion_test
Test: GENERATE_BAZEL_FILES=true m nothing
Test: m nothing
Bug: 165114590
Change-Id: If7b26e8e663d17566fad9614ca87a8da1f095284

cc/cc.go

@@ -1741,7 +1741,7 @@ func (c *Module) GenerateAndroidBuildActions(actx android.ModuleContext) {
 
 func (c *Module) toolchain(ctx android.BaseModuleContext) config.Toolchain {
 	if c.cachedToolchain == nil {
-		c.cachedToolchain = config.FindToolchain(ctx.Os(), ctx.Arch())
+		c.cachedToolchain = config.FindToolchainWithContext(ctx)
 	}
 	return c.cachedToolchain
 }
@@ -1833,6 +1833,12 @@ func (c *Module) deps(ctx DepsContext) Deps {
 	deps.HeaderLibs = android.LastUniqueStrings(deps.HeaderLibs)
 	deps.RuntimeLibs = android.LastUniqueStrings(deps.RuntimeLibs)
 
+	// In Bazel conversion mode, we dependency and build validations will occur in Bazel, so there is
+	// no need to do so in Soong.
+	if ctx.BazelConversionMode() {
+		return deps
+	}
+
 	for _, lib := range deps.ReexportSharedLibHeaders {
 		if !inList(lib, deps.SharedLibs) {
 			ctx.PropertyErrorf("export_shared_lib_headers", "Shared library not in shared_libs: '%s'", lib)