Fix dx test 124-multidex-option-no-overflow

Thresholds for fields was too low for our new pessimistic overflow detection
that takes the whole constant pool into account.

Change-Id: If11a35329bf459fef54f538257a5dd22a30f99e7
Fix dx test 113-old-style-inner-class

Test output was polluted by a javac warning. We're only interested in
dx warnings.

Change-Id: I2883670ff062b930de5dfd156bc6a98ba4534edf
Merge "Fix dx test 113-old-style-inner-class"
Merge "Fix dx test 124-multidex-option-no-overflow"