Move java module installation into Soong

Move java module installation rules into Soong by overriding
InstallBypassMake.  Update the locations that find host java tools
to look in the Make installation directory instead of the Soong
installation directory, which will no longer be used.

Bug: 204136549
Test: m checkbuild
Change-Id: I5af6d764c97e7ddb5ee121fc9830166c25d831b1
diff --git a/java/app_import.go b/java/app_import.go
index 3e5f972..4d1969e 100644
--- a/java/app_import.go
+++ b/java/app_import.go
@@ -108,6 +108,8 @@
 	return true
 }
 
+func (a *AndroidAppImport) InstallBypassMake() bool { return true }
+
 // Updates properties with variant-specific values.
 func (a *AndroidAppImport) processVariants(ctx android.LoadHookContext) {
 	config := ctx.Config()