Bump up version major

Before v1.15.0: c=10, a=1, r=0

Rule #3: source code has changed, increment r:
r=1

Rule #4: interfaces were removed in vpx_tpl.h, set r=0, increment c:
c=11, r=0

Rule #5: no interfaces have been added

Rule #6: interfaces were removed in vpx_tpl.h, set a=0:
a=0

After release: c=11, a=0, r=0

major = c-a = 11
minor = a = 0
patch = r = 0

Bug: webm:384672478
Change-Id: I2e70e7e35c64ece32eaf1dc5625640965483f9b9
1 file changed