Only link the profile extras lib for device variant.

Bug: 297082598
Test: CI
Change-Id: I455b39119c27b45b368a80cab2901d496a250b96
diff --git a/cc/coverage.go b/cc/coverage.go
index cbd8a6f..64d1790 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -68,7 +68,7 @@
 }
 
 func (cov *coverage) deps(ctx DepsContext, deps Deps) Deps {
-	if cov.Properties.NeedCoverageVariant {
+	if cov.Properties.NeedCoverageVariant && ctx.Device() {
 		ctx.AddVariationDependencies([]blueprint.Variation{
 			{Mutator: "link", Variation: "static"},
 		}, CoverageDepTag, getGcovProfileLibraryName(ctx))
@@ -161,19 +161,22 @@
 		if gcovCoverage {
 			flags.Local.LdFlags = append(flags.Local.LdFlags, "--coverage")
 
-			coverage := ctx.GetDirectDepWithTag(getGcovProfileLibraryName(ctx), CoverageDepTag).(*Module)
-			deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
-
-			flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,getenv")
+			if ctx.Device() {
+				coverage := ctx.GetDirectDepWithTag(getGcovProfileLibraryName(ctx), CoverageDepTag).(*Module)
+				deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
+				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,getenv")
+			}
 		} else if clangCoverage {
 			flags.Local.LdFlags = append(flags.Local.LdFlags, profileInstrFlag)
 			if EnableContinuousCoverage(ctx) {
 				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm=-runtime-counter-relocation")
 			}
 
-			coverage := ctx.GetDirectDepWithTag(getClangProfileLibraryName(ctx), CoverageDepTag).(*Module)
-			deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
-			flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,open")
+			if ctx.Device() {
+				coverage := ctx.GetDirectDepWithTag(getClangProfileLibraryName(ctx), CoverageDepTag).(*Module)
+				deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
+				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,open")
+			}
 		}
 	}
 
@@ -181,7 +184,7 @@
 }
 
 func (cov *coverage) begin(ctx BaseModuleContext) {
-	if ctx.Host() {
+	if ctx.Host() && !ctx.Os().Linux() {
 		// TODO(dwillemsen): because of -nodefaultlibs, we must depend on libclang_rt.profile-*.a
 		// Just turn off for now.
 	} else {