timeout waiting to lock journal cache gradle android studio error
step 1) note down the location where the cache locked error coming
step2) close android studio completely
step3) restart laptop
step4) go to that (step1) location and delete all those files, (extra tip--> delete that complete cache folder)
optional step) if you are unable to (perform step 4) delete cache folder then open your computer in safe mode then try to delete it, it will surely delete.
step5) open android studio and rebuild it, now it will surely work without any errors.