deps: rely on shared-config for auto-value configuration

[chingor13]

Allows use of shared configuration for auto-value and will keep auto-value versions in sync

[codecov]

Codecov Report

Merging #222 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@ Coverage Diff @@## master #222 +/- ##
============================================
+ Coverage 67.61% 67.62% +0.01% - Complexity 379 384 +5 
============================================
Files 36 36 Lines 1976 1986 +10 Branches 262 269 +7 ============================================
+ Hits 1336 1343 +7 - Misses 532 535 +3 
Partials 108 108 

Impacted Files	Coverage Δ	Complexity Δ
...re/src/main/java/com/google/cloud/RetryHelper.java	50.00% <0.00%> (-3.85%)	2.00% <0.00%> (ø%)
...d-core/src/main/java/com/google/cloud/Binding.java	100.00% <0.00%> (ø)	2.00% <0.00%> (ø%)
...core/src/main/java/com/google/cloud/Condition.java	100.00% <0.00%> (ø)	2.00% <0.00%> (ø%)
...ud-core/src/main/java/com/google/cloud/Policy.java	92.15% <0.00%> (+0.03%)	20.00% <0.00%> (ø%)
...src/main/java/com/google/cloud/ServiceOptions.java	43.87% <0.00%> (+0.04%)	33.00% <0.00%> (+1.00%)
...a/com/google/cloud/testing/BaseEmulatorHelper.java	31.42% <0.00%> (+0.21%)	5.00% <0.00%> (ø%)
.../com/google/cloud/MonitoredResourceDescriptor.java	84.03% <0.00%> (+0.27%)	24.00% <0.00%> (+4.00%)

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