Description of the Change

Fixed recommended capacity of render resource cache calculation.

Currently render resource cache capacity is calculated using some magic numbers based on total device memory capacity. Using this approach any device with 2GB RAM use 384Mb of resource cache.
But total memory and available application heap are not the same. For example, Samsung Note 9 has 6GB of device RAM, but only 256Mb heap available for each application in standard mode and 512MB in "largeHeap" mode. As you can see 384Mb cache size is much bigger than 256Mb available heap, which cause application crash during intensive use, when cache reaches its capacity limit.
https://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android

Why Should This Be In Core?

This issue is the reason of application crash on many devices with large amount of memory.

Benefits

Fix application crash.

Potential Drawbacks

Incorrect multiplication coefficient may be used, which cause ineffective memory usage on some devices.
I have selected coefficient magic number = 0.75, but in some cases if application itself use very few amount of memory it may ineffectively use available heap, in other hand if application is very heavy and use more then 25% of heap, it may cause memory overflow and crash.

Applicable Issues

Closes #19